我穿丝袜短裙在教室被同桌摸_成人a毛片在线看免费全部播放_亚洲品质自拍_a级性生活片

shape-img
shape-img
shape-img
shape-img
shape-img
shape-img
shape-img
shape-img
shape-img
shape-img
shape-img
shape-img
soda ash


soda ash soda ash soda ash

English name: Sodium Carbonate
Molecular formula: Na2CO3
Grade: Industrial
Appearance: Powder
Application: Glass, Medicine, Food
CAS Number: 497-19-8
Color: White

Uses: Sodium carbonate is one of the important chemical raw materials, widely used in light industry, daily chemicals, building materials, chemical industry, food industry, metallurgy, textile, petroleum, national defense, medicine and other fields, used as raw materials for manufacturing other chemicals, cleaning Agents and detergents are also used in photography and analysis. In industrial soda ash, mainly light industry, building materials, chemical industry, accounting for about 2/3; followed by metallurgy, textile, petroleum, national defense, medicine and other industries. The glass industry is the largest consumer of soda ash.
Physical and chemical properties: Under normal circumstances, it is a white powder and a strong electrolyte. The density is 2.532g/cm3, the melting point is 851℃, and it is easily soluble in water.
Packing specification: Laminated plastic woven bag lined with plastic film double-layer packaging, net weight of each bag is 25Kg, 50Kg, or according to customer requirements.
Technical requirements: GB210.1-2004





?