被两个男摁住玩弄尿孔的视频|《被按摩的人妻4》BD高清完整版|娇妻互换被高潮了三次|荫蒂每天被三个男人添|边做饭边被躁我和邻居的视频|巜被部长玩弄的人妻

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
欢迎光临: 祥云县| 广昌县| 晋江市| 阿克陶县| 宜良县| 长宁区| 汉源县| 吕梁市| 高州市| 申扎县| 游戏| 富锦市| 高清| 葫芦岛市| 平顶山市| 若羌县| 大连市| 海城市| 怀宁县| 巩义市| 宣威市| 全州县| 宜良县| 老河口市| 沾益县| 若尔盖县| 聂荣县| 南陵县| 江都市| 栖霞市| 睢宁县| 曲沃县| 娱乐| 东源县| 临朐县| 建德市| 敦化市| 平凉市| 鹤山市| 辉县市| 化德县|