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
Hydrofluoric acid?COA Report
  • CAS No.：7664-39-3
  • Molecular weight：20.01
  • Molecular formula：HF
  • UN Code：1790
  • EC No.：231-634-8
  • HS-No：28111100
Information
Specification category：
Product No. Product name specifications
1.14068.028 Hydrofluoric acid AR500mL
1.14068.038 Hydrofluoric acid CP500mL
1.14068.048 Hydrofluoric acid CP2.5L
1.14068.058 Hydrofluoric acid AR25kg
1.14068.078 Hydrofluoric acid AR2.5L
1.14068.088 Hydrofluoric acid CP21kg
1.14068.098 Hydrofluoric acid AR200L
Characteristic： Appearance and properties:Colorless liquid with pungent odor. Of 40% aqueous solution of product.
Relative density: 1.26 (75%)
Relative vapor density: 1.27
Melting point(℃): -83.1 (pure)
Boiling point(℃): 120 (35.3%)
Concentration: Content: a high concentration of 55.0%; low concentration of 40%.
Solubility: miscible with water.
Technical indicators：
Item AR CP
Assay(HF) ≥40.0% ≥40.0%
Residue on ignition(as SO4) ≤0.002% ≤0.01%
Chloride(Cl) ≤0.001% ≤0.005%
Sulfate and Sulfite(as SO4) ≤0.002% ≤0.005%
Phosphate(PO4) ≤0.0002% ≤0.0005%
Silicofluoride(SiF6) ≤0.04% ≤0.06%
Iron(Fe) ≤0.0001% ≤0.0005%
Heavy metals(as Pb) ≤0.0005% ≤0.001%
Hazard characteristics：

IATA-DGR-UN 1790 HYDROFLUORIC ACID,8(6.1),II

Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
长兴县| 玉田县| 阿拉尔市| 天峻县| 交城县| 招远市| 兰溪市| 东安县| 镇康县| 西畴县| 富阳市| 揭东县| 家居| 元江| 巴马| 台中市| 庄浪县| 襄城县| 电白县| 安仁县| 普洱| 岢岚县| 双牌县| 荆州市| 宁蒗| 昌吉市| 保康县| 益阳市| 兰西县| 漠河县| 苏尼特左旗| 芦山县| 浙江省| 满洲里市| 望奎县| 迭部县| 临猗县| 合江县| 抚顺县| 泾阳县| 临西县|