牛牛影视mv,毛片国产,欧美高清69hd,一区二区影院,一区二区在线看,亚洲中字幕永久在线观看,国产欧美一区二区三区精品

中文 | EN
Products
Zinc sulfate heptahydrate


 

Molecular formula:  ZnSO4 ·7H2O
Properties: colorless orthorhombic crystals, odorless,  easily weathered in dry air, soluble in water,  slightly soluble in alcohol and glycerin.
Index:

Item

Zinc (Zn)

Arsenic (As)

Lead (Pb)

Cadmium (Cd)

Index

≥21.5%

≤0.0005%

≤0.001%

≤0.001%

Uses
Agricultural uses: Used as trace element fertilizers, feed additives, etc. 
Industrial uses:  used to make lithopone powder, and used as mordant, astringent, wood preservative, etc. 
Packing: laminating plastic woven bag, lined with plastic film bag, net weight 25kg, 50kg, 1000kg per bag, export products according to commodity inspection or foreign merchant's requirements.

E-mail
Username:
Password:
CONTACT US
Telephone of Domestic Sales Department:
+86-734-8123488, 8833388-606
Telephone of Foreign Trade Department:
+86-734-8812599, 8855599-611
Fax: +86-734-8124488 Email: lps@vip.163.com
Address: Floor 19, Jinzhao Building, Zhengxiang District, Hengyang City, Hunan Province, China
Copyright(C)2020, Hengyang Yuxing Chemical Co., Ltd. All Rights Reserved. Supported by  ChemNet ChinaChemNet Toocle