成人网站免费观看,99e久热只有精品8在线直播,亚洲综合无码明星蕉在线视频,亚洲精品一区二区三区中文字幕

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
高中生自慰www网站| 亚洲精品专区在线观看| 亚洲中文字幕av无码区| 亚洲人成在线影院| 五月丁香激激情亚洲综合| 国产免费人成视频在线播放播| 日韩国产人妻一区二区三区| 99精品国产丝袜在线拍国语| 国产亚洲无线码一区二区| 奇米影视7777狠狠狠狠影视| 国产成人精品无码片区在线观看| 婷婷亚洲综合五月天小说| 少妇高潮喷水惨叫久久久久电影| 最新无码人妻在线不卡| 无码动漫性爽xo视频在线观看| 黄页网站视频| 国产精品99久久久久久宅男| 99国产精品无码| 无码三级av电影在线观看| 强制高潮18xxxxhd日韩| 国产好爽…又高潮了毛片| 国产精品久久精品国产| 中文字幕人妻无码专区app| 免费人成视频在线| av无码av不卡一区二区| 人人狠狠久久亚洲综合88| 伊人色综合网一区二区三区| 中文人妻熟妇乱又伦精品| 欧美天天拍在线视频| 全黄性性激高免费视频| 高清性欧美暴力猛交| 久久丫精品忘忧草西安产品| 国产又粗又猛又大爽又黄| 久久亚洲国产精品影院| 少妇无码av无码去区钱| 屁屁影院ccyy备用地址| 男人的天堂无码动漫av| 秋霞av一区二区二三区| 日本午夜免a费看大片中文4| 亚洲一区二区三区写真| 一色屋精品视频在线观看 |