蜜臀98精品国产免费观看,人人澡人人妻人人爽人人蜜桃麻豆,亚洲人成精品久久久久桥本,亚洲日韩欧美国产高清αv,国内精品九九久久精品,亚洲AV影院一区二区三区,日韩AV激情在线观看,国产成人精品日本亚洲成熟,中文字幕精品一区二区2021年,亚洲色婷婷综合开心网

Sodium bisulfite

Sodium bisulfite

【Molecular weight : 104.06
Molecular formula : NaHSO3

Physical and chemical properties :
white crysatl or powder; relative density: 1.48; easily soluble in water; lightly soluble in ethyl alcohol

Quality standard HG3—1291—80

item analytical purity chemical purity

clarity test
water insolubles
chloride(Cl)
ferrum(Fe)
aresenic(As)
heavy metal(in Pb)

qualified
0.005
≤0.01
≤0.001
≤0.0001
≤0.001

qualified
0.01
0.02
0.002
0.0002
0.002

Uses:
For bleaching of cotton textiles; as reducing agent in paper-making, dyeing, leather, and chemical synthesis industry

Packaging and storage:
Should not be mixed with gasoline oil and oxidizing agent;
Packed with woven bag lined with polyethylene plastic bag;
Net weight: 50kg or 25kg





?
Copyright(C)2024 , Zibo Yongye Fine Chemical Co.,Ltd. All Rights Reserved.  Supported by  ChemNet  ChinaChemNet Toocle Copyright Notice