{"title":"Chemistry \u0026 Lab Supplies","description":"\u003cp\u003eBorosilicate glassware, hot plates, stirrers, and laboratory supplies for chemistry experiments and scientific research.\u003c\/p\u003e","products":[{"product_id":"borosilicate-glass-beaker-set-5-sizes-50-100-250-500-1000ml","title":"Borosilicate Glass Beaker Set — 5 Sizes: 50\/100\/250\/500\/1000mL","description":"\u003cp\u003e\u003cstrong\u003eBorosilicate glass tolerates thermal shock that would shatter ordinary glass — essential for any experiment involving heat, acid, or rapid temperature change.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese low-form Griffin beakers are fabricated from 3.3 borosilicate glass with a coefficient of thermal expansion of just 3.3 × 10⁻⁶\/K — less than one-third that of soda-lime glass. Calibrated graduation marks are accurate to ±5% (ISO 3819 Class B). The flat base and pouring spout work on hot plates, ring stands, and directly over Bunsen burners.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSet of 5: 50mL, 100mL, 250mL, 500mL, 1000mL — borosilicate 3.3\u003c\/li\u003e\n\u003cli\u003eBlue enamel graduation markings; poured spout for drip-free transfer\u003c\/li\u003e\n\u003cli\u003eAutoclave safe; compatible with all standard lab heating equipment\u003c\/li\u003e\n\u003cli\u003eISO 3819 Class B calibration tolerances\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eEvery purchase directly funds independent physics research at the Golden Physics Project.\u003c\/em\u003e\u003c\/p\u003e","brand":"Golden Physics Project","offers":[{"title":"Default Title","offer_id":54144254607652,"sku":"GPP-GLAS-BEAKER5","price":89.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/2879\/9524\/files\/b673fynkpdzozfr4k9ph_700x700_c085352f-6a4a-48b7-9c09-1056c26450b5.jpg?v=1780972877"},{"product_id":"erlenmeyer-flask-set-borosilicate-glass-100-250-500ml-wide-mouth","title":"Erlenmeyer Flask Set — Borosilicate Glass, 100\/250\/500mL, Wide-Mouth","description":"\u003cp\u003e\u003cstrong\u003eThe conical geometry of the Erlenmeyer flask was designed for one reason: swirling without spillage — making it the universal vessel for titrations, cell culture, and reaction monitoring.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe wide, flat base provides stability during magnetic stirring; the tapered neck reduces evaporation and accepts standard rubber stoppers. Borosilicate 3.3 construction handles pH extremes from concentrated HCl to 10M NaOH without glass attack, and withstands autoclave sterilization at 121°C repeatedly. Narrow-mouth design maintains sample integrity during extended heating.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSet of 3: 100mL, 250mL, 500mL — borosilicate 3.3 glass\u003c\/li\u003e\n\u003cli\u003eNarrow mouth accepts standard #6, #7, #8 rubber stoppers\u003c\/li\u003e\n\u003cli\u003eCalibrated graduation marks ±5% ISO Class B\u003c\/li\u003e\n\u003cli\u003eAutoclave compatible; uniform wall thickness for even heating\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eEvery purchase directly funds independent physics research at the Golden Physics Project.\u003c\/em\u003e\u003c\/p\u003e","brand":"Golden Physics Project","offers":[{"title":"Default Title","offer_id":54144262799652,"sku":"GPP-GLAS-ERLEN3","price":74.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/2879\/9524\/files\/o2xyx9jeusunburahvjs_512x335_69174952-e520-485b-bfc2-e5061b3853b3.jpg?v=1780972253"},{"product_id":"graduated-cylinder-set-5-sizes-10-25-50-100-250ml-borosilicate-glass","title":"Graduated Cylinder Set — 5 Sizes: 10\/25\/50\/100\/250mL, Borosilicate Glass","description":"\u003cp\u003e\u003cstrong\u003eVolumetric accuracy starts with the right cylinder: the graduated cylinder is calibrated to within 1% tolerance, far exceeding the ±5% of a beaker or flask.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe tall, narrow form minimizes the meniscus-to-diameter ratio, making readings straightforward even without a magnifying lens. Hex base prevents rolling; blue enamel graduations are fired into the glass surface for permanence — they won't wash off with solvents. Calibrated \"to contain\" (TC) at 20°C per ISO 4788.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSet of 5: 10mL, 25mL, 50mL, 100mL, 250mL borosilicate cylinders\u003c\/li\u003e\n\u003cli\u003e±1% volume accuracy — ISO 4788 Class B tolerances\u003c\/li\u003e\n\u003cli\u003eHex base with pour spout; permanently enamelled blue graduations\u003c\/li\u003e\n\u003cli\u003eAutoclave-safe; resists all common laboratory solvents\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eEvery purchase directly funds independent physics research at the Golden Physics Project.\u003c\/em\u003e\u003c\/p\u003e","brand":"Golden Physics Project","offers":[{"title":"Default Title","offer_id":54144271253796,"sku":"GPP-GLAS-GRADCYL5","price":99.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/2879\/9524\/files\/murz0n4lnl7ci0wzorkr_441x700_3607a9c8-159e-4233-8e9f-713444ca55b2.jpg?v=1780972878"},{"product_id":"borosilicate-test-tube-set-25-piece-with-wooden-rack-16-150mm","title":"Borosilicate Test Tube Set — 25-Piece with Wooden Rack, 16×150mm","description":"\u003cp\u003e\u003cstrong\u003eThe test tube is the atom of chemistry equipment — small, transparent, and endlessly versatile for reactions, storage, heating, and observation.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese 16×150mm borosilicate tubes are the standard laboratory size, compatible with most test tube holders, racks, and centrifuge adapters. The rounded base allows even heating over a flame, and the fire-polished rim is smooth enough to accept a stopper without cracking. Supplied with a varnished wooden 25-hole rack that keeps tubes vertical and organized.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e25 borosilicate test tubes, 16×150mm — rounded base, fire-polished rim\u003c\/li\u003e\n\u003cli\u003eWall thickness 1.5mm — rated for Bunsen burner direct flame\u003c\/li\u003e\n\u003cli\u003eWooden 25-hole rack included; tubes compatible with #2–4 stoppers\u003c\/li\u003e\n\u003cli\u003eBorosilicate 3.3 glass — autoclavable, acid\/base resistant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eEvery purchase directly funds independent physics research at the Golden Physics Project.\u003c\/em\u003e\u003c\/p\u003e","brand":"Golden Physics Project","offers":[{"title":"Default Title","offer_id":54144295764260,"sku":"GPP-GLAS-TESTTUBE25","price":54.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/2879\/9524\/files\/uyceaeaqxsvakiksl8o2_603x700_88678e65-731c-4cf4-b780-c3d1743d7f2b.jpg?v=1780972879"},{"product_id":"round-bottom-flask-1000ml-24-40-ground-glass-joint-borosilicate","title":"Round-Bottom Flask — 1000mL, 24\/40 Ground Glass Joint, Borosilicate","description":"\u003cp\u003e\u003cstrong\u003eThe round-bottom flask is the signature vessel of organic chemistry — its spherical geometry distributes mechanical stress evenly, making it the only safe choice for reflux, distillation, and vacuum applications.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 24\/40 ground glass joint is the universal standard fitting in organic chemistry apparatus: it mates directly with condensers, distillation heads, Dean-Stark traps, and rotary evaporator adapters without clamps. Borosilicate 3.3 glass maintains structural integrity under full vacuum (-1 atm) and resists all organic solvents, including halogenated species, acetone, and DMSO.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1000mL volume; 24\/40 standard taper ground glass joint\u003c\/li\u003e\n\u003cli\u003eBorosilicate 3.3 — vacuum-rated, solvent resistant, autoclavable\u003c\/li\u003e\n\u003cli\u003eCompatible with all standard 24\/40 glassware (condensers, heads)\u003c\/li\u003e\n\u003cli\u003eUniform wall thickness; 200mm neck length\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eEvery purchase directly funds independent physics research at the Golden Physics Project.\u003c\/em\u003e\u003c\/p\u003e","brand":"Golden Physics Project","offers":[{"title":"Default Title","offer_id":54144303956260,"sku":"GPP-GLAS-RBF1000","price":44.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/2879\/9524\/files\/k6wh2njugjko3sithpwp_700x700_72a8dbee-0dce-44bc-9b64-99fd4084f422.jpg?v=1780972880"},{"product_id":"separatory-funnel-500ml-ptfe-stopcock-24-40-top-joint","title":"Separatory Funnel — 500mL, PTFE Stopcock, 24\/40 Top Joint","description":"\u003cp\u003e\u003cstrong\u003eLiquid-liquid extraction — the art of pulling a compound from one solvent into another — is only possible with a separatory funnel, the most elegant glassware in the organic chemist's arsenal.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe PTFE stopcock never sticks, never requires grease, and is chemically inert to virtually all laboratory solvents, eliminating the most common cause of separatory funnel failure. The 500mL pear shape is optimal for 100–400mL extractions, balancing capacity against maneuverability. Borosilicate 3.3 body accepts 24\/40 standard ground glass stopper.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e500mL pear-shaped body; PTFE key stopcock (no grease required)\u003c\/li\u003e\n\u003cli\u003e24\/40 ground glass top stopper; borosilicate 3.3 glass\u003c\/li\u003e\n\u003cli\u003eGraduations at 50mL intervals; compatible with standard ring stand clamps\u003c\/li\u003e\n\u003cli\u003eInert to ethyl acetate, DCM, hexane, acetone, and most organic solvents\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eEvery purchase directly funds independent physics research at the Golden Physics Project.\u003c\/em\u003e\u003c\/p\u003e","brand":"Golden Physics Project","offers":[{"title":"Default Title","offer_id":54144336625956,"sku":"GPP-GLAS-SEPFUNNEL","price":79.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/2879\/9524\/files\/xnn96svvvce2zazmir2e_377x700_75c3dd51-d1f1-4f35-84f1-3fe7a63077e4.jpg?v=1780972882"},{"product_id":"volumetric-flask-1000ml-class-a-24-40-glass-stopper-borosilicate","title":"Volumetric Flask — 1000mL, Class A, 24\/40 Glass Stopper, Borosilicate","description":"\u003cp\u003e\u003cstrong\u003eWhen concentration matters to four significant figures, only a Class A volumetric flask delivers — it's the instrument-grade reference standard for preparing molar solutions.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe single calibration mark at the narrow neck means one unambiguous measurement: fill to the etched line at eye level and your 1.000L of solution is accurate to ±0.4mL (0.04%). This is the vessel used to prepare all standard solutions in analytical chemistry — any lesser accuracy propagates as systematic error through every subsequent calculation. Ground glass 24\/40 stopper included.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1000mL Class A tolerance: ±0.4mL at 20°C (ISO 1042)\u003c\/li\u003e\n\u003cli\u003eSingle-mark neck; 24\/40 ground glass stopper\u003c\/li\u003e\n\u003cli\u003eBorosilicate 3.3 — temperature stable, solvent resistant\u003c\/li\u003e\n\u003cli\u003eWhite enamel calibration line; PE dust cap included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eEvery purchase directly funds independent physics research at the Golden Physics Project.\u003c\/em\u003e\u003c\/p\u003e","brand":"Golden Physics Project","offers":[{"title":"Default Title","offer_id":54144336691492,"sku":"GPP-GLAS-VOLFLAASK1L","price":49.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/2879\/9524\/files\/rg8zkls4oo8lecj8zwlv_700x700_3880b221-4a24-40ef-b195-0ec7fad977e4.jpg?v=1780993253"},{"product_id":"magnetic-hot-plate-stirrer-500-c-surface-1500rpm-digital-display","title":"Magnetic Hot Plate Stirrer — 500°C Surface, 1500rpm, Digital Display","description":"\u003cp\u003e\u003cstrong\u003eA hot plate magnetic stirrer condenses two pieces of equipment into one: a precisely controlled heat source and a turbine-speed agitator that never tires and never introduces contamination.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe spinning magnetic field drives a PTFE-coated stir bar inside your flask, achieving homogeneous mixing that a mechanical stirrer can't match in sealed or pressurized vessels. Independent temperature and speed controls let you hold a reaction at exactly 65°C and 300rpm for hours without attending it. The ceramic plate surface resists chemical spills and reaches 500°C for high-temperature oil baths and solid-state reactions.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeating: ambient to 500°C; digital temperature display with external probe port\u003c\/li\u003e\n\u003cli\u003eStirring: 0–1500rpm; PTFE-coated stir bar included (20mm × 8mm)\u003c\/li\u003e\n\u003cli\u003e140mm × 140mm ceramic heating plate; 2L maximum stirring volume\u003c\/li\u003e\n\u003cli\u003eSafety cutoff if external probe disconnects; CSA\/CE certified\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eEvery purchase directly funds independent physics research at the Golden Physics Project.\u003c\/em\u003e\u003c\/p\u003e","brand":"Golden Physics Project","offers":[{"title":"Default Title","offer_id":54144336724260,"sku":"GPP-LAB-HOTPLATE","price":179.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/2879\/9524\/files\/17695051463.webp?v=1780993255"},{"product_id":"lab-ring-stand-with-clamp-set-stainless-steel-cast-iron-base-6-piece","title":"Lab Ring Stand with Clamp Set — Stainless Steel, Cast Iron Base, 6-Piece","description":"\u003cp\u003e\u003cstrong\u003eEvery chemistry apparatus — separatory funnel, condenser, burette, reflux setup — requires something to hold it in place at exactly the right height: that something is a ring stand.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1200g cast iron base provides a stable foundation that won't tip when a condenser is clamped at full extension. The stainless steel rod accepts any standard lab clamp or boss head. The 6-piece set includes iron rings (50mm, 75mm, 100mm), a three-finger clamp for flasks and condensers, a double-burette clamp, and a universal boss head — everything needed to assemble a complete reflux or distillation apparatus.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCast iron base 160mm × 110mm × 1200g; 600mm stainless steel rod\u003c\/li\u003e\n\u003cli\u003eSet includes: 3 iron rings (50\/75\/100mm), flask clamp, burette clamp, boss head\u003c\/li\u003e\n\u003cli\u003eAll clamps fit standard 12mm lab rods; epoxy-coated iron rings\u003c\/li\u003e\n\u003cli\u003eCompatible with all 24\/40 glassware assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eEvery purchase directly funds independent physics research at the Golden Physics Project.\u003c\/em\u003e\u003c\/p\u003e","brand":"Golden Physics Project","offers":[{"title":"Default Title","offer_id":54144336757028,"sku":"GPP-LAB-RINGSTAND","price":69.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/2879\/9524\/files\/ojs9u8whwlocjadphraa_467x700_62d234ad-0778-4ab0-b7c7-5f345b501e1a.jpg?v=1780993257"},{"product_id":"assorted-rubber-stopper-set-30-piece-sizes-000-12-solid-amp-1-hole","title":"Assorted Rubber Stopper Set — 30-Piece, Sizes #000–#12, Solid \u0026amp; 1-Hole","description":"\u003cp\u003e\u003cstrong\u003eA complete rubber stopper set is the connective tissue of a chemistry lab — every flask, tube, and bottle needs one, and having the right size on hand is the difference between a working experiment and a frustrating delay.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNatural rubber resists distortion and cold flow, maintaining a gas-tight seal over repeated insertions. The set covers the full range from tiny 16mm test tubes (#000) to 1000mL Erlenmeyer flasks (#12), with both solid stoppers (for sealing) and single-hole stoppers (for thermometers, gas inlets, or tubing). All stoppers are autoclave-compatible at 121°C.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e30 stoppers — 15 solid + 15 single-hole; sizes #000 through #12\u003c\/li\u003e\n\u003cli\u003eNatural rubber — autoclave compatible (121°C); resists dilute acids\/bases\u003c\/li\u003e\n\u003cli\u003e1-hole stoppers accept 4–8mm glass or PTFE tubing\u003c\/li\u003e\n\u003cli\u003eStored in reusable zipper case; sizing chart included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eEvery purchase directly funds independent physics research at the Golden Physics Project.\u003c\/em\u003e\u003c\/p\u003e","brand":"Golden Physics Project","offers":[{"title":"Default Title","offer_id":54144336789796,"sku":"GPP-LAB-STOPPERS30","price":29.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/2879\/9524\/files\/0f72dbeb87f944efe48d6ca4bc4877d98957260d_880x700_e5af61e4-b1b4-43f7-ac8d-9fb0c1b9ddc2.jpg?v=1780993259"},{"product_id":"glass-stirring-rod-set-8-piece-borosilicate-150-300mm","title":"Glass Stirring Rod Set — 8-Piece, Borosilicate, 150–300mm","description":"\u003cp\u003e\u003cstrong\u003eThe stirring rod is the simplest and most essential tool in the wet chemistry lab — it transfers heat, breaks surface tension, seeds crystallization, and mixes solutions without introducing any material or catalytic contamination.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSolid borosilicate glass is chemically inert to everything except hydrofluoric acid and concentrated strong alkalis at high temperature. The fire-polished ends eliminate the sharp edges that cause beaker scratching and microcrack formation. The set spans the full practical range from test-tube-scale to 1L beaker mixing.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e8 rods: 2× 150mm, 2× 200mm, 2× 250mm, 2× 300mm; 6mm diameter\u003c\/li\u003e\n\u003cli\u003eBorosilicate 3.3 — HF\/strong alkali resistant; fire-polished ends\u003c\/li\u003e\n\u003cli\u003eSolid construction — no hollow interior to trap residue or break\u003c\/li\u003e\n\u003cli\u003eAutoclave-safe; compatible with rubber policeman tips (sold separately)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eEvery purchase directly funds independent physics research at the Golden Physics Project.\u003c\/em\u003e\u003c\/p\u003e","brand":"Golden Physics Project","offers":[{"title":"Default Title","offer_id":54144336822564,"sku":"GPP-GLAS-STIRRODS8","price":34.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/2879\/9524\/files\/aihqdt4mycmhb6sgoui6_597x700_3b020964-d40b-4358-abd4-cbca24f27213.jpg?v=1780993262"},{"product_id":"watch-glass-set-6-piece-borosilicate-75-100-125mm-pairs","title":"Watch Glass Set — 6-Piece Borosilicate, 75\/100\/125mm Pairs","description":"\u003cp\u003e\u003cstrong\u003eConcave and versatile, the watch glass serves as a miniature evaporating dish, beaker cover, sample holder, and weighing surface — a deceptively simple piece of glassware with a dozen uses.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePlaced over a beaker, a watch glass reduces evaporation while allowing gas exchange — critical in titrations and long-duration heating experiments. Used as a weighing dish, the curved surface cradles powders for analytical balance measurement. Borosilicate construction means it won't absorb reagents or warp under a heat gun.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e6 watch glasses: 2× 75mm, 2× 100mm, 2× 125mm — 3 pairs\u003c\/li\u003e\n\u003cli\u003eBorosilicate 3.3 — heat lamp and hot plate compatible\u003c\/li\u003e\n\u003cli\u003eFire-polished edges; uniform curvature for stable resting position\u003c\/li\u003e\n\u003cli\u003eCompatible as beaker covers for all standard Griffin beakers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eEvery purchase directly funds independent physics research at the Golden Physics Project.\u003c\/em\u003e\u003c\/p\u003e","brand":"Golden Physics Project","offers":[{"title":"Default Title","offer_id":54144336888100,"sku":"GPP-GLAS-WATCHGLASS6","price":29.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/2879\/9524\/files\/xm4dr3moc6a68fuqa2ov_665x700_a8155589-cab8-452c-a0bf-46a89914eede.jpg?v=1780993269"},{"product_id":"borosilicate-glass-petri-dish-set-20-piece-90mm-diameter","title":"Borosilicate Glass Petri Dish Set — 20-Piece, 90mm Diameter","description":"\u003cp\u003e\u003cstrong\u003eGlass petri dishes outlast plastic by decades, autoclave without warping, and allow UV sterilization — the choice of every serious microbiology and cell culture lab.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 90mm diameter is the universal standard for bacteriology agar plates, crystal growth, and thin-film evaporation. Borosilicate glass tolerates repeated autoclave cycles at 121°C, UV germicidal lamp exposure, and direct immersion in 70% ethanol without crazing or clouding. Each dish has a close-fitting lid that reduces airborne contamination while allowing some gas exchange.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e20 petri dishes (10 bases + 10 lids) — 90mm × 15mm borosilicate glass\u003c\/li\u003e\n\u003cli\u003eAutoclave, UV, and ethanol sterilization compatible\u003c\/li\u003e\n\u003cli\u003eFlat base for microscope stage; transparent for transmitted light imaging\u003c\/li\u003e\n\u003cli\u003ePackaged in sterile sleeve; reusable indefinitely with proper cleaning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eEvery purchase directly funds independent physics research at the Golden Physics Project.\u003c\/em\u003e\u003c\/p\u003e","brand":"Golden Physics Project","offers":[{"title":"Default Title","offer_id":54144336920868,"sku":"GPP-GLAS-PETRI20","price":59.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/2879\/9524\/files\/l2arydl0fxw4alafj4cp_1746x700_ce746277-fecb-40b6-84c5-4bf6913211fd.jpg?v=1780993271"},{"product_id":"liebig-condenser-400mm-24-40-joints-borosilicate-water-cooled","title":"Liebig Condenser — 400mm, 24\/40 Joints, Borosilicate Water-Cooled","description":"\u003cp\u003e\u003cstrong\u003eEvery reflux reaction and every distillation requires a condenser — the device that uses cold water flow to turn solvent vapor back into liquid, allowing reactions to run indefinitely without material loss.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Liebig condenser is the standard straight-type: coolant water enters the outer jacket at the bottom, exits at the top (counter-current to vapor flow), and the inner tube carries solvent vapor that condenses on contact with the cold glass. The 24\/40 joints are the universal standard — this condenser mates directly with any round-bottom flask, distillation head, or adapter in a standard organic chemistry kit.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e400mm jacket length; 24\/40 standard taper joints top and bottom\u003c\/li\u003e\n\u003cli\u003eBorosilicate 3.3 inner tube and outer jacket\u003c\/li\u003e\n\u003cli\u003eHose nipples for 8mm rubber tubing (inlet\/outlet); counter-current cooling\u003c\/li\u003e\n\u003cli\u003eCompatible with all standard 24\/40 distillation apparatus\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eEvery purchase directly funds independent physics research at the Golden Physics Project.\u003c\/em\u003e\u003c\/p\u003e","brand":"Golden Physics Project","offers":[{"title":"Default Title","offer_id":54144336986404,"sku":"GPP-GLAS-CONDENSER400","price":64.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/2879\/9524\/files\/ebs0n5iromodsf1njwxg_700x700_8d09e5b6-fee3-4daa-b924-c6b1d3d2e1d4.jpg?v=1780993273"},{"product_id":"lab-glass-funnel-set-3-sizes-50-75-100mm-borosilicate-short-stem","title":"Lab Glass Funnel Set — 3 Sizes: 50\/75\/100mm, Borosilicate, Short-Stem","description":"\u003cp\u003e\u003cstrong\u003eThe humble glass funnel is indispensable for transferring liquids without spilling, filtering through paper, and introducing solids into narrow-necked vessels without loss.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eShort-stem funnels sit more stably in flasks and cylinders than long-stem versions, and the 60° cone angle is the standard for folded filter paper. Borosilicate 3.3 is chemically inert to all common acids, bases, and solvents — unlike plastic funnels which swell in acetone or crack in DCM. Three sizes cover the range from 50mL test tube transfer to 500mL flask charging.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSet of 3: 50mm, 75mm, 100mm diameter; 60° cone angle\u003c\/li\u003e\n\u003cli\u003eShort-stem design; fire-polished rim and stem end\u003c\/li\u003e\n\u003cli\u003eBorosilicate 3.3 — solvent resistant, autoclavable\u003c\/li\u003e\n\u003cli\u003eFits standard filter paper (qualitative and quantitative grades)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eEvery purchase directly funds independent physics research at the Golden Physics Project.\u003c\/em\u003e\u003c\/p\u003e","brand":"Golden Physics Project","offers":[{"title":"Default Title","offer_id":54144337019172,"sku":"GPP-GLAS-FUNNEL3","price":39.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/2879\/9524\/files\/rjezboytkulhldb13ty8_700x700_afbd0b3e-61d3-480c-8941-67312b4daa50.jpg?v=1780993276"}],"url":"https:\/\/shop.goldenphysics.org\/collections\/chemistry-lab-supplies.oembed","provider":"Golden Physics Project","version":"1.0","type":"link"}