青青青在线视频国产,亚洲熟妇无码一区二区三区,亚洲国产精品无码久久98,竹菊影视欧美日韩一区二区三区四区五区

SZSE:002741
Chemical Reagents
Potassium?perchlorateCOA Report
  • CAS No.:7778-74-7
  • Molecular weight:138.55
  • Aliases:Potassium?perchlorate
  • Molecular formula:KClO4
  • UN Code:1489
  • EC No.:231-912-9
  • HS-No:28299010
Information
Specification category:
Product No. Product name specifications
1.01783.015 Potassium?perchlorate AR500g
Characteristic: Appearance and properties: Colorless or white crystal powder.
Relative density: 2.52(water=1)(20℃)
Melting point(℃): 610(decomposition)
Concentration/content: ≥99%.
Solubility: Slightly soluble in water,insoluble in ethanol.
Technical indicators:
Item AR CP
Assay(KMnO4) ≥99.5% ≥99.0%
Insoluble matter in water ≤0.20% ≤0.30%
Chloride(Cl) ≤0.002% ≤0.005%
Sulfate(SO4) ≤0.005% ≤0.02%
Total nitrogen(N) ≤0.005% ≤0.01%
Iron(Fe) ≤0.002% -
Arsenic(As) ≤0.00005% -
Heavy metals(as Pb) ≤0.003% -
Hazard characteristics:

IATA-DGR UN 1489 POTASSIUM PERCHLORATE,5.1,Ⅱ

Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
国产成人无码a区精油按摩| 噜噜综合亚洲av中文无码| 人人妻人人藻人人爽欧美一区| 精品久久久无码中文字幕边打电话| 激情内射人妻1区2区3区| 久久综合色之久久综合| 牛和人交xxxx欧美| 国产午夜精品理论片| 大肉大捧一进一出好爽app| 欧美熟妇的性裸交| 中文字幕久久波多野结衣av不卡| 无码爽视频| 波多野结衣不打码视频| 亚洲乱亚洲乱妇无码麻豆| 人人妻一区二区三区| 午夜无码乱码在线观看| 国产精品1区2区3区在线观看| 7m精品福利视频导航| 久久久天堂国产精品女人| 免费国产又色又爽又黄的网站| 国产做无码视频在线观看| 久久精品国产曰本波多野结衣| 久久久久99精品成人片欧美| 92午夜少妇极品福利无码电影 | 日本大乳高潮视频在线观看| 久久亚洲私人国产精品va| 黑人巨大跨种族video| 国产精品永久在线观看| 久久久久久亚洲av成人无码国产| 国产成人无码专区| 少妇性bbb搡bbb爽爽爽| 50岁退休熟女露脸高潮| 丰满少妇被猛烈进入| 国产精品露脸视频观看| 日本狂喷奶水在线播放212| 少妇群交换bd高清国语版| 午夜视频在线瓜伦| 国产亚洲精品久久久久久久久动漫| 色哟哟国产精品免费观看| 国产av激情久久无码天堂| 性饥渴的农村熟妇|