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
Potassium hydrogen sulfate?COA Report
  • CAS No.:7646-93-7
  • Molecular weight:136.17
  • Aliases:Potassium bisulfate
  • Molecular formula:KHSO4
  • UN Code:2509
  • EC No.:231-594-1
  • HS-No:28332980
Information
Specification category:
Product No. Product name specifications
1.01769.018 Potassium hydrogen sulfate AR500g
1.01769.028 Potassium hydrogen sulfate AR25kg
1.01769.028 Potassium hydrogen sulfate AR25kg
Characteristic: Appearance and properties: Colorless monoclinic crystal, moisture sensitive.
Relative density: 2.24(water=1)(20℃)
Melting point(℃): 195(decomposition)
Solubility: Dissolve easily in water,insoluble in ethanol and acetone.
Technical indicators:
Item AR CP
Assay(KHSO4) 99.0%~101.0% 99.0%~101.0%
Clarity of solution Pass Pass
Insoluble matter in water ≤0.002% ≤0.005%
Chloride(Cl) ≤0.0005% ≤0.002%
Total nitrogen(as N) ≤0.002% ≤0.005%
Phosphate(PO4) ≤0.001% ≤0.002%
Silicate(SiO4) ≤0.001% ≤0.005%
Sodium(Na) ≤0.02% ≤0.05%
Magnesium(Mg) ≤0.0005% ≤0.002%
Aluminum(Al) ≤0.001% ≤0.005%
Calcium(Ca) ≤0.002% ≤0.005%
Iron(Fe) ≤0.0005% ≤0.002%
Arsenic(As) ≤0.0003% ≤0.0005%
Heavy metals(as Pb) ≤0.0005% ≤0.002%
Hazard characteristics:

IATA-DGR UN 2509 POTASSIUM HYDROGEN SULPHATE,8,Ⅱ

Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
无码 人妻 在线视频| 狠狠色丁香久久婷婷综| 人人爽人人模人人人爽人人爱| 日日干夜夜干| 亚洲国产成人久久综合人| 久久天天拍天天爱天天躁| 国产日韩av在线播放| 亚洲精品国产av成拍色拍婷婷| 国产伦精品一区二区三区| 国产亚洲精久久久久久无码77777| 中文字幕亚洲综合小综合在线| 国内精品国内精品自线在拍| 尤物99国产成人精品视频| 亚洲精品国产一区二区三区在线观看| 国模无码一区二区三区| 2022久久国产精品免费热麻豆| 久久人人97超碰caoporen| 亚洲高清国产av拍精品青青草原| 春色校园综合人妻av| 99久久亚洲精品无码毛片| 白天躁晚上躁麻豆视频| 成人网站亚洲综合久久| 精品亚洲国产成人av在线时间短的| 成人免费毛片内射美女-百度| 久青草国产97香蕉在线视频| 男女做爰高清无遮挡免费视频| 亚洲精品乱码久久久久久久久久久久| 亚洲人成电影网站色www两男一女| 欧美牲交a欧美牲交| 欧美亚洲国产日韩一区二区| 亚洲欧美日韩综合在线一| 久久精品www人人爽人人| 久久婷婷人人澡人爽人人喊| 亚洲成a人片在线观看无遮挡| 少妇高潮尖叫黑人激情在线 | 呻吟国产av久久一区二区| 日韩人妻潮喷中文在线视频| 久久精品人人做人人爱爱漫画| 国产偷窥熟女精品视频大全| 人人爽人人爽人人片a∨| 日韩中文字幕区一区有砖一区|