无码日韩精品一区二区免费暖暖_日韩人妻无码精品久久_狂躁美女大bbbbbb视频u_亚洲精品一区二区三区在线观看_自拍偷自拍亚洲精品播放

SZSE:002741
Chemical Reagents
Sodium carbonate anhydrous?COA Report
  • CAS No.:497-19-8
  • Molecular weight:105.99
  • Molecular formula:Na2CO3
  • EC No.:207-838-8
  • HS-No:28362000
Information
Specification category:
Product No. Product name specifications
1.01500.010 Sodium carbonate anhydrous? PT100g
1.01500.030 Sodium carbonate anhydrous? AR500g
1.01500.040 Sodium carbonate anhydrous? AR25kg/drum
1.01500.050 Sodium carbonate anhydrous? CP500g
1.01500.060 Sodium carbonate anhydrous? CP25kg/drum
1.01500.070 Sodium carbonate anhydrous? Spec500g
1.01500.080 Sodium carbonate anhydrous? Spec25kg/Sackv 1.01500.130 Sodium carbonate anhydrous? CP25kg/Woven sack
1.01500.160 Sodium carbonate anhydrous? Spec25kg/ Paper Sack(99.9%)
1.01500.230 Sodium carbonate anhydrous? AR25kg/Sack
Characteristic: Appearance and properties: wwhite grain or powder(no water sterling),puckery.
Relative density?(water=1): 2.53
Melting point(℃): 851
Boiling point(℃): 1600
Concentration: sterling
Solubility: Soluble in water,Dissolved?in ethanol、diethyl ether.
Technical indicators:
Item AR CP
Assay(Na2CO3) ≥99.8% ≥99.8%
Clarity of solution,number Pass3 Pass4
Insoluble matter in water ≤0.01% ≤0.02%
Loss on drying(300℃) ≤1.0% ≤1.0%
Chloride(Cl) ≤0.002% ≤0.005%
Sulfide(as SO4) ≤0.005% ≤0.01%
Total nitrogen(N) ≤0.001% ≤0.002%
Phosphate and silicate(as SiO3) ≤0.006% ≤0.013%
Magnesium(Mg) ≤0.002% ≤0.005%
Aluminum(Al) ≤0.003% ≤0.01%
Potassium(K) ≤0.005% ≤0.02%
Calcium(Ca) ≤0.01% ≤0.02%
Iron(Fe) ≤0.0005% ≤0.001%
Heavy metals(as Pb) ≤0.0005% ≤0.001%
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
天天躁夜夜躁狠狠是什么心态| 国产97在线 | 免费| 亚洲欧洲国产精品香蕉网| 午夜裸体性播放| 亚洲日韩精品a∨片无码| 丰腴饱满的极品熟妇| 精品人妻一区二区三区四区在线 | 伊伊人成亚洲综合人网7777| 国产av一区二区不卡| 国产精品久久久影视青草| 成人性生交大片免费看视频app| 精品久久久久香蕉网| 久久国产精品久久久久久| 18亚洲AV无码成人网站国产| 婷婷五月深爱综合开心网| 日本伊人一区二区三区| 中文字幕乱伦视频| 精品午夜福利1000在线观看| 国产乱子伦一区二区三区四区五区 | 琪琪女色窝窝777777| 亚洲国产精品久久亚洲精品| 国产一区二区不卡在线| 国语自产偷拍精品视频偷| 伊人五月六月丁香综合| 无码日韩人妻精品久久蜜桃 | 国产成人精品自在线拍| 内射美女主播在线观看| 久久夜色精品国产欧美乱极品 | 免费a级毛片18禁网站app| 狠狠色综合网站久久久久久久| 亚洲综合一区二区三区无码| 久久久国产精品无码免费专区| 国产内射xxxxx在线| 久久99久久99精品免视看| 制服丝袜人妻中文字幕在线| 国产xxx69麻豆国语对白| 亚洲第一狼人伊人av| 中文字幕无码家庭乱欲| 国产乱来乱子视频| 绝顶高潮合集videos| 欧美18精品久久久无码午夜福利|