如東永泰化工有限公司
Your demand is our pursuit Yongtai Chemical "May your dedication to provide quality products and perfect technical services.
 
Phosphorous acid
Bromopropane(NBP)
2-Bromopropane,isopropyl br
1-Bromobutane
Monopotassium phosphite,Pot
Dipotassium hydrogen phosph
Diammonium hydrogen phosphi
Calcium phosphite
Disodium hydrogen phosphite
 
  ADD: Jiangsu Rudong Yangkou Industrial park
CONTACT: Mr.Wang
M.D.:
+86-13806271196
TEL: +86-513-81903818
FAX: +86-513-81903828
WEB: http://www.douwx.com
 
  PRODUCTS  
Disodium hydrogen phosphite

This product is a reddish orthorhombic crystal. The performance is quite stable at normal temperature, and hydrogen and phosphine are released during heating to form orthophosphate or pyrophosphate. Mainly used as a reducing agent to reduce metal salts to the corresponding metals. The container remains tightly closed. Store in a dry, well-ventilated place.

Molecular formula: Na2HPO3·5H2O   
Molecular weight: 216
Structural:

CAS NO.: [13517-23-2]
Quality metrics:

Item Index
Appearance White or reddish crystal
Assay(%) ≥ 98
Water insoluble matter(%) ≤ 0.02
Chloride(%) ≤ 0.01
PH 9.0~10.0
Fe(%)≤ 0.001
Heavy metal (%)≤ 0.0025
Moisture (%)≤ 1

Production capacity: 2000 tons/year
Package: 25, 500, 1000 kg plastic bags, net weight 25, 500, 1000 kg.

Copyright(C)2015, Rudong Yongtai Chemical Co., Ltd. All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle Copyright Notice   【Admin login】 
 
 
 
 
 
国内偷拍国内精品视频_2019最新欧美AV片高清观看_亚洲成在人线免费视频_国产亚洲观看视频在线AV,欧美图亚洲色另类图片,伊人影院