国产亚洲精品小视频-麻豆乱婬一区二区三区-综合视频精品这里只有-美女张开腿张开腿让男人捅

SZSE：002741
Chemical Reagents
Boric acid?COA Report
  • CAS No.： 10043-35-3
  • Molecular weight：61.83
  • Molecular formula：H3BO3
  • EC No.：233-139-2
  • HS-No：28100090
Information
Specification category：
Product No. Product name specifications
1.14001.030 Boric acid? GR500g
1.14001.040 Boric acid? AR500g
1.14001.050 Boric acid? AR25kg
1.14001.060 Boric acid? AR25kg/Sack
1.14001.070 Boric acid? CP500g
1.14001.080 Boric acid? Spec25kg
1.14001.110 Boric acid? GR25kg
1.14001.120 Boric acid? CP25kg
1.14001.150 Boric acid? AR40kg
1.14001.230 Boric acid? AR25kg
1.14001.250 Boric acid? CP25kg
1.14001.280 Boric acid? 電容級25kg
1.14001.280 Boric acid? 電容級25kg/Sack
1.14001.290 Boric acid? Spec25kg
1.14001.300 Boric acid? Spec25kg
Characteristic： Appearance and properties:Colorless microstrip luster pearl triclinic crystals or white powder, greasy feel, no odor
Relative density: 1.44 (15 ℃)
Melting point(℃): 185 (decomposition)
Boiling point(℃): 300
Concentration: Pure
Solubility: soluble in water, soluble in alcohol, ether, glycerol.
Technical indicators：
Item AR CP
Assay(H3BO3) ≥99.5% ≥99.0%
Clarity of solution ≤2 ≤4
Solubility in Ethanol Pass Pass
Insoluble matter in water ≤0.005% ≤0.02%
Substances not volatilized by methanol ≤0.05% ≤0.3%
Chloride(Cl) ≤0.0005% ≤0.002%
Sulfate(SO4) ≤0.002%v≤0.01%
Phosphate(PO4) ≤0.0005% ≤0.003%
Arsenic(As) ≤0.0001% ≤0.0005%
Calcium(Ca) ≤0.002% ≤0.01%
Iron(Fe) ≤0.0005% ≤0.002%
Lead(Pb) ≤0.001% ≤0.003%
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
泸定县| 黄大仙区| 关岭| 蒲城县| 孝感市| 容城县| 山东省| 余姚市| 舟山市| 谢通门县| 灌云县| 酒泉市| 九江县| 南郑县| 玛多县| 濉溪县| 安仁县| 比如县| 横山县| 舞钢市| 宁海县| 错那县| 上虞市| 金秀| 南投市| 临湘市| 万荣县| 资源县| 东海县| 浙江省| 宜君县| 云南省| 疏附县| 永嘉县| 新邵县| 翼城县| 靖远县| 略阳县| 哈巴河县| 苍溪县| 安泽县|