91杏吧在线观看_欧美二区视频在线_亚洲天堂美女一区_亚洲国产丝袜内射_亚洲国产丝袜内射_国产草穴视频网站_午夜福利小视频在线_成人女同在线观看

Home

Products Center

•	Magnesium Carbonate

•	Sodium Metabisulfite

•	Sodium Sulfite Anhydrous

•	Sodium Bisulphite

•	Ammonium bicarbonate

•	Magnesium Chloride (MgCL2·6H2O)

•	Zinc Chloride

•	Calcium Chloride

•	Sodium Bicarbonate Food/Industry Grade

•	Barium nitrate

Products

Sodium Sulfite Anhydrous

Property: white gravel or powder crystal,relative density is 1.561, less to dissolve in water and its water solution has alkaline reaction; it is hard to dissolve in ethanol. It is used to produce chloroform,solasulfone and Benzaldehyde in medical industry.

Molecular Formula : Na₂SO₃

Molecule Weight : 126.04

CAS NO .: 7757-83-7

Appearance : White Free Flowing Fine Crystal or Powder

Specification for Industry Grade and Food Grade :

Item	Quality Index
Item	Industry Grade	Food Grade
Purity ( As Na₂SO₃)	96.0% min	98.0% min
Sodium sulphate ( SO₄)	2.5% max	1.5% max
Chlorides ( As NaCL)	0.5% max	0.1% max
Arsenic ( As )	-	0.0002% max
Heavy metals ( As Pb )	-	0.0005% max
Iron (Fe)	0.005% max	0.002% max
Water insolubles	0.05% max	0.02% max

Specification For Photo Grade and Pharmaceutical Grade

Item	Quality Index
Item	Photo Grade	Pharmaceutical Grade
Purity ( As Na₂SO₃)	98.0% min	98.0% min
Sodium sulphate ( SO₄ )	1.5% max	1.5% max
Chlorides ( As CL^-)	0.05% max	0.05% max
Arsenic ( As )	0.0002% max	2ppm max
Lead ( As Pb)	0.0005% max	2ppm max
Iron (Fe)	0.001% max	5ppm max
Selenium ( Se)	0.0001% max	1ppm max
Zinc ( Zn)	0.0001% max

International Trade:
Contact person : Ms.Dora , Ms Cherry
Tel : 0086-536-8256719, 13356706380
Fax : 0086-536-8256716
Moible: 0086-13806499031,, 15065607933
QQ: Dora: 3001383736, Cherry: 3001399245
E-mail: dora@jiaozichem.com, cherry@jiaozichem.com
Website : www.dimiss.net.cn , www.jiaozichem.com?
Add:Room 1101&1103,Building D,Zhongtu Mansion,No.6565 East Fushou Street,Weifang City,Shandong,China

Mobile

國(guó)內(nèi)銷售

葛經(jīng)理

李經(jīng)理

國(guó)際貿(mào)易

感谢您访问我们的网站，您可能还对以下资源感兴趣：

91杏吧在线观看_欧美二区视频在线_亚洲天堂美女一区_亚洲国产丝袜内射_亚洲国产丝袜内射_国产草穴视频网站_午夜福利小视频在线_成人女同在线观看 QGHOd

91杏吧在线观看_欧美二区视频在线_亚洲天堂美女一区_亚洲国产丝袜内射_亚洲国产丝袜内射_国产草穴视频网站_午夜福利小视频在线_成人女同在线观看 91杏吧在线观看_欧美二区视频在线_亚洲天堂美女一区_亚洲国产丝袜内射_亚洲国产丝袜内射_国产草穴视频网站_午夜福利小视频在线_成人女同在线观看 91杏吧在线观看_欧美二区视频在线_亚洲天堂美女一区_亚洲国产丝袜内射_亚洲国产丝袜内射_国产草穴视频网站_午夜福利小视频在线_成人女同在线观看

精品久久久福利院_无码一区二区视频_开心婷婷六月激情_久草新免费在线视频_久草新免费在线视频_五月天色色欧美婷_黄色AV啊啊啊啊啊_99精品久久久欧州Av在线熟女_夜色精品无码AV_操逼视频一区二区_青草伊人成人在线_青草伊人成人在线_%久久久五月天&_91超碰电影在线_色婷婷综合久久久亚洲视频在线播放_四虎永久精品视频_草成人在线观看_国产成人AA91激情对白_国产成人AA92激情对白_欧美丝袜性爱视频_在线中文字幕婷婷_久久综合AV99 九九中文字幕在线_青青日日夜夜婷婷_午夜理论无码情侣国产av_青草自拍偷拍视频_青草自拍偷拍视频_天堂av大宝影视_密臀AV免费观看_伊人久久香蒸视频