Watch glasses are so named because they are identical to the glass used for the front of old-fashioned . In reference to this, large watch glasses are occasionally known as clock glasses.
Watch glasses are also sometimes used to cover a glass of , to concentrate the aromas in the glass, and to prevent spills when the whisky is swirled.
When used as an evaporation surface, a watch glass allows closer observation of or , and can be placed on a surface of contrasting colour to improve the visibility overall.
A watch glass is a circular, Selected quality glass, polished ground edges, slightly 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 . The latter use is generally applied to prevent dust or other particles entering the beaker; the watch glass does not completely seal the beaker, and so gas exchanges still occur.
watch glass
Delivery Time: | withine 15-30 days. |
Package: | standard export packing avoid breaking. |
Supply Ability: | 100000 Piece/Pieces per Month |
Minimum Order Quantity: | 10 Piece/Pieces |
Payment Terms: | L/C,T/T |
Port: | qingdao/shanghai/lianyungang/tianjin |
Fob Price: | US$0.1-100qingdao/shanghai/lianyungang/tianjin |
Brand Name: | highborn |
Place of Origin: | Jiangsu China (Mainland) |
Nill Building Solutions has revolutionized the flange that has been in use for decades by roofers worldwide by making it stronger, waterproof, and eliminating common trouble areas while improving on efficiency. Various sizes available to suite your needs. The NB1CB2 is ideal ...
Come From Nill Building Solutions
Nill Building Solutions has revolutionized the flange that has been in use for decades by roofers worldwide by making it stronger, waterproof, and eliminating common trouble areas while improving on efficiency. Various sizes available to suite your needs. The NB1CB is ideal for ...
Come From Nill Building Solutions
Product Features: PATENT NO. 10,501,939 5” X 4” Stainless steel construction 1/4” Thick – Multiple thicknesses available 7 Counter-sink holes to receive #14, 1/4” flat head lag or sheet metal screws 1-1/4” X 3/4” external post Offset 1/2”-13 Waterproof threaded ...
Come From Nill Building Solutions