国产人免费人成免费视频喷水|国产欧美一区二区色老头|在线看片网站,日韩一区免费在线观看,国产色av,96国产精品

SZSE：002741
Chemical Reagents
Tin(II) chloride?dihydrateCOA Report
  • CAS No.： 10025-69-1
  • Molecular weight：225.63
  • Molecular formula：SnCl2·2H2O
  • EC No.：231-868-0
Information
Specification category：
Product No. Product Name Specification
1.05314.010 Tin(II) chloride?dihydrate AR500g
1.05314.020 Tin(II) chloride?dihydrate CP500g
1.05314.030 Tin(II) chloride?dihydrate AR20kg
1.05314.040 Tin(II) chloride?dihydrate CP25kg
1.05314.050 Tin(II) chloride?dihydrate AR500g
1.05314.080 Tin(II) chloride?dihydrate AR25kg
1.05314.100 Tin(II) chloride?dihydrate AR22.5㎏
1.05314.140 Tin(II) chloride?dihydrate(New technology research and development) AR25kg
Characteristic： Appearance and propertie: white, odorless powder and fine crystal
pH value: 2.0 (100 g / l H2O 20 ° C)
Melting Point(℃): 246
Boiling Point(℃): 652 (1013 hPa) Relative density
(water): 3.95g/cm3 (20 ° C)
Thermal decomposition: Solubility: ? Water (20 ° C) 2700 g / l Ethanol (20 ° C) soluble
Technical indicators：
Specification AR CP
Assay (SnCl2 · 2H2O) ≥ 98.0% ≥ 97.0%
Clarity test, number ≤ 3 ≤ 5
Hydrochloric acid insoluble matter ≤ 0.005% ≤ 0.01%
Sulfate (SO4) ≤ 0.003% ≤ 0.01%
Iron (Fe) ≤ 0.003% ≤ 0.01%
Copper (Cu) ≤ 0.002% ≤ 0.005%
Arsenic (As) ≤ 0.0001% ≤ 0.0002%
Lead (Pb) ≤ 0.005% ≤ 0.02%
Hydrogen sulfide does not precipitate (as sulfate) ≤ 0.02% ≤ 0.10
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
主站蜘蛛池模板： 沙洋县| 建阳市| 勃利县| 九寨沟县| 修武县| 许昌市| 怀来县| 平利县| 贵德县| 得荣县| 涿州市| 定南县| 鲁山县| 孝感市| 韶关市| 永福县| 丰台区| 涟水县| 老河口市| 远安县| 密山市| 望都县| 九寨沟县| 衡南县| 尼勒克县| 北流市| 乌拉特中旗| 潜江市| 华亭县| 闵行区| 郴州市| 富源县| 武威市| 灵寿县| 宁安市| 五峰| 荔波县| 东山县| 海丰县| 永宁县| 淮北市|