无码区国产区在线播放,久久精品无码专区免费,久久精品国产亚洲AV麻豆导航,亚洲日韩国产欧美一区二区三区,成人做受视频试看120秒,色天使亚洲综合一区二区,国产欧美日韩高清在线不卡,孩交精品XXXX视频视频,日韩丰满少妇无吗视频激情内射,久久婷婷五月综合色国产

1. Chemical name: Sodium bicarbonate
2. Molecular formula: NaHCO3
3. Molecular weight: 84.01
4. Cas  No.:144-55-8
5. Character: It is white crystalline powder or granular, odorless and salty. Easily soluble in water. Insoluble in alcohol ,Aqueous solution is alkalinity. Decomposed when heating, decomposed slowly when exposed to moist air.
6. Usage: In food industry , it is used as acidity modifier, CO2 Propellant or used in feedstuff, drug ,medicine, film, mineral selection, metallurgy , fiber and rubber, or used as detergent and fire extinguish agent.
7. Packing: It is packed with polyethylene bag as inner layer and a compound plastic woven bag as outer layer. The net weight is 25kgs,50kgs or 1000kgs jumbo bag.
8. Storage and transportation: It should be stored in a dry and ventilative warehouse ,kept away from heat and moisture. Unloaded with care so as to avoid damage. Further more it must be stoved separately from poisonous substances.

Specification: