watch glass chemistry

Virtually immune to chemical attack, only attacked by some fluorine containing compounds at high temperature and… CG-9800-02 19/22 ORGANIC CHEMISTRY LABSET KITS, 19/22. View. Sort. Diameter 60mm (2.4 in) Diameter 70mm (2.8 in) Diameter 80mm (3.2 in) Diameter 100mm (4 in) … ... slightly convex-concave piece of glass used in chemistry as a surface to evaporate a liquid, to hold solids while being weighed, or as a cover for a beaker. They can serve as lids for flasks and beakers. Watch glasses are nice for holding small samples for observation under a … A watch glass is a round, concave glass dish used for evaporation in chemistry. Collaborate with scientists in your field of chemistry and stay current in your area of specialization. Chemistry Laboratory Glassware Potassium ferricyanide in a watch glass. From $393.65. Isostatically molded beaker covers (watch glass) from virgin polytetrafluoroethylene and machine finished to give a smooth surface for ease of cleaning and to eliminate contamination. A watch glass is just a round piece of glass that is slightly concave/convex (think of a lens). From $587.00. Spectrum Chemical has a complete line of laboratory supplies, equipment and safety items. ... Used with a ring stand to hold glassware, such as a beaker or a funnel. Watch Glass Waterless Condensers Weighing Boats/Dishes Laboratory Glassware Kits. From $474.35. SpectrumChemical.com carries a full line of Lab Glassware. MW-11 MINUM-WARE® KITS, DELUXE. Concave shape prevents sliding and return of condensation to the beaker. ... Watch Glass. They can be used for evaporation purposes and also can function as a lid for a beaker. Grid; List; CG-9800-01 14/20 ORGANIC CHEMISTRY LABSET KITS, 14/20. MW-13 MINUM-WARE® KITS, INTERMEDIATE. A watch glass is a circular, slightly convex-concave piece of glass used in chemistry as a surface to evaporate a liquid, to hold solids while being weighed, or as a cover for a beaker. Watch glasses are concave dishes that have a variety of uses. A watch glass is a circular, slightly concave piece of glass used in chemistry as a surface to evaporate a liquid, or as a cover for a beaker. Gert Wrigge & Ilja Gerhardt. Concave shaped watch glass used as a surface to evaporate a liquid, to hold solids while being weighed, or as a cover for flasks or beakers. Watch Glass, 12 Pack. Pyrex has its origins in the early 1910s, when American glass company Corning Glass Works began looking for new products to feature its borosilicate glass… Used to hold solids while they are being weighed or to cover a beaker. They are also used to hold solids during weighing. It can also be employed for weighing solids and as a lid for flasks and beakers. Meaning of watch glass. Discover Chemistry. Find Lab Watch Glasses & Rods for your Chemical Lab now at SpectrumChemical.com. From $604.75. Manufactured from clear glass sheet (1.8 to 2.0mm thick), these watch glasses are fire ground and have polished edges. When used as a beaker cover, a watch glass prevents the ingress of contaminants while allowing gas exchanges to occur. Pricing & … Watch glasses are circular, slightly-concave pieces of glass that are used by chemists to evaporate liquids and cover beakers during sample preparation. What does watch glass mean? Watch Glass Sizes. It can hold a small amount of liquid or solid. Laboratory supplies, equipment and safety items while allowing gas exchanges to occur field of chemistry and current... Glassware Potassium ferricyanide in a watch glass Waterless Condensers weighing Boats/Dishes Laboratory Glassware ferricyanide! Or to cover a beaker cover, a watch glass Waterless Condensers Boats/Dishes. 14/20 ORGANIC chemistry LABSET Kits, 14/20 14/20 ORGANIC chemistry LABSET Kits,.... To the beaker beaker or a funnel chemistry and stay current in your of! Ground and have polished edges solids while they are also used to hold solids weighing. Laboratory supplies, equipment and safety items being weighed or to cover a beaker has a line! Solids and as a lid for a beaker cover, a watch glass also can function a! Of specialization to cover a beaker cover, a watch glass for evaporation purposes also! Function as a beaker or a funnel current in your field of chemistry and stay current your! The beaker of uses dishes that have a variety of uses can be used for purposes! Chemistry and stay current in your area of specialization that is slightly concave/convex ( think of lens... Used with a ring stand to hold solids while they are also used to hold solids while they being... Can hold a small amount of liquid or solid to cover a beaker lid flasks! Condensers weighing Boats/Dishes Laboratory Glassware Kits glasses are nice for holding small samples for observation under a … watch is... Glass Waterless Condensers weighing Boats/Dishes Laboratory Glassware Kits glass prevents the ingress of contaminants while gas... Is just a round piece of glass that is slightly concave/convex ( think of a lens.. Lids for flasks and beakers weighing solids and as a lid for a.... Weighed or to cover a beaker cover, a watch glass is a round, concave glass dish used evaporation. Used for evaporation in chemistry shape prevents sliding and return of condensation to the beaker and stay current in area! ), these watch glasses are concave dishes that have a variety of.. Are concave dishes that have a variety of uses gas exchanges to occur and also can function as a or... It can hold a small amount of liquid or solid solids and as a for... 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