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
tri-Potassium phosphate?trihydrateCOA Report
  • CAS No.:22763-03-7
  • Molecular weight:266.31
  • Aliases:Potassium phosphate tribasic
  • Molecular formula:K3PO4·3H2O
  • EC No.:231-907-1
  • HS-No:28352400
Information
Specification category:
Product No. Product name specifications
1.01768.010 Tripotassium phosphate trihydrate AR500g
1.01768.030 Tripotassium phosphate trihydrate CP500g
Characteristic: Appearance and properties: Colorless,odorless solid.
pH value: 12(10g/L H2O,20℃)
Bulk density(kg/m3): 900
Density(g/cm3): 3.12(20℃)
Thermal decomposition temperature(℃): >70
Solubility: Soluble in water(1650 g/L,20℃).
Technical indicators:
Item AR CP
Assay ≥98.0% ≥97.0%
Clarity of solution Pass Pass
Free alkali(as KOH) ≤1.0% ≤3.0%
Di-Potassium hydrogen phosphate(as KH2PO4·3H2O) ≤1.0% ≤1.0%
Chloride(Cl) ≤0.003% ≤0.01%
Sulfate(SO4) ≤0.01% ≤0.02%
Total nitrogen(N) ≤0.001% ≤0.002%
Carbonate(CO3 Pass Pass
Sodium(Na) ≤0.02% ≤0.05%
Iron(Fe) ≤0.002% ≤0.004%
Arsenic(As) ≤0.0001% ≤0.0003%
Heavy metals(as Pb) ≤0.001% ≤0.002%
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
少妇的肉体k8经典| av永久天堂一区二区三区| 欧美肥胖老妇bbw| 夜鲁鲁鲁夜夜综合视频欧美| 欧美亚洲国产精品久久高清 | 国产做无码视频在线观看| 中国凸偷窥xxxx自由视频妇科| √天堂资源地址中文在线| 中文亚洲欧美日韩无线码| 337p粉嫩大胆色噜噜噜| 亚洲午夜无码久久| 柠檬福利精品视频导航| 最新欧美精品一区二区三区| 午夜dv内射一区二区| 国产精品又黄又爽又色无遮挡 | 亚洲精品鲁一鲁一区二区三区| 亚洲国产一区二区a毛片| 人人爽人人爱| 午夜男女很黄的视频| 久久av无码精品人妻系列| 国产激情精品一区二区三区| 中文字幕乱妇无码av在线| 久久久久人妻精品一区三寸| 精品熟人妻一区二区三区四区不卡| 精品无码一区二区三区爱欲| 国产精品538一区二区在线 | 亚洲av无码电影在线播放| 怡红院av一区二区三区| 人妻有码中文字幕| 成人性做爰aaa片免费看| 欧美午夜刺激影院| 久热re这里精品视频在线6| 亚洲国产精品久久人人爱| 国产精品美女久久久久av福利| 久久精品国产色蜜蜜麻豆| 中文字幕日韩精品无码内射| 亚洲日韩乱码中文无码蜜桃臀| 欧洲国产伦久久久久久久| 丰满大肥婆肥奶大屁股 | 搡老女人老妇女老熟妇| 少妇性饥渴无码a区免费|