SKU: 71279353583

Heathrow Scientific 2307A-50 Volumetric Flask, Amber, Class A, Glass Stopper, 50 mL, 4/pk

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Description

Heathrow Scientific 2307A-50 Volumetric Flask, Amber, Class A, Glass Stopper, 50 mL, 4/pkVolumetric flasks are constructed of low actinic amber glass, providing protection for materials that are sensitive to light. Each flask features machine blown bodies and heavy beaded, heavy tubing necks that are tooled for standard taper glass stoppers. Each volumetric flask is supplied with a standard taper glass stopper which provides a leakproof seal. This airtight seal not only preserves the integrity of your samples but also enhances the

Volumetric flasks are constructed of low-actinic amber glass, providing protection for materials that are sensitive to light. Each flask features machine-blown bodies and heavy-beaded, heavy-tubing necks that are tooled for standard taper glass stoppers. Each volumetric flask is supplied with a standard taper glass stopper which provides a leakproof seal. This airtight seal not only preserves the integrity of your samples but also enhances the reliability of your volumetric measurements.

Features:
Low-actinic amber for light sensitive materials
Made of premium borosilicate glass with a low coefficient of expansion
Designed “to contain” with a temperature of calibration at 68°F (20°C)
The graduation line is sharply defined and of uniform width
Each flask has a large marking square and includes a glass stopper
Wide range of sizes available (10 mL to 1000 mL)
Meets ASTM E-288 Class A specifications & USP standards for glassware
Stopper No.13

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SKU: 71279353583

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Mateo Buriticá
Fort Morgan, US
★★★★★ 5
Una abrebocas de como puede ser un mundo multipolar
Format: Hardcover
Un buen análisis de como puede impactar a los gobiernos, empresas y personas un mundo multipolar con zonas de influencia por poderes regionales. La geopolítica cada vez está más vigente y si no la entendemos, no vamos a poder aprovechar las nuevas oportunidades de esta era.
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Reviewed in the United States on January 13, 2026
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Bill M
Boise, US
★★★★★ 5
The Future is Now
Format: Hardcover
The author makes a compelling argument that the world is fracturing into two principal trade blocs, the U.S.A bloc and the China bloc. Even cursory review of the daily business news confirms the author's argument is taking shape now. This is an important book for those interested in geopolitics, economics, and even those who are trying to determine where to invest their funds based on changing global dynamics.
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Reviewed in the United States on December 14, 2025
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Oregon Gma
Lowell, US
★★★★★ 5
Cute book and engaging story
Format: Paperback
My grand daughter reads at a 3rd grade reading level, so doesn't want to read the easy readers but loses interest easily with traditional chapter books. This little book was a perfect fit. She's an axolotl fan so the pictures and the story line kept her engaged. There's even a couple of pages of axolotl facts at the end of the book. Well worth adding to her book shelf!
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Reviewed in the United States on May 23, 2026
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Olive O
Massapequa, US
★★★★★ 5
Love this book!
Format: Hardcover
Couldn't put this down! The story is lovely, heartfelt, and bounces along. I was sad when it ended. Have to read it again, then!
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Reviewed in the United States on April 23, 2026
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Erin sumner
Fort Morgan, US
★★★★★ 5
Perfect for a 6 year old.
Format: Paperback
Grandson turned 6 and he absolutely loved it. Best reaction to it ever.
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Reviewed in the United States on April 19, 2026

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