{"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","url":"https:\/\/shop.goldenphysics.org\/products\/volumetric-flask-1000ml-class-a-24-40-glass-stopper-borosilicate","provider":"Golden Physics Project","version":"1.0","type":"link"}