在线无码一区二区三区不卡|国产精品爽爽久久久久久竹菊|中文字幕在线无码一区二区三区|中文字幕精品无码一区二区

SZSE:002741
Chemical Reagents
Potassium dihydrogen phosphateCOA Report
  • CAS No.:7778-77-0
  • Molecular weight:136.09
  • Aliases:mono-Potassium orthophosphate,Potassium triphosphate,Potassium phosphate monobasic
  • Molecular formula:KH2PO4
  • EC No.:231-913-4
  • HS-No:28352400
Information
Specification category:
Product No. Product name specifications
1.01863.020 Potassium dihydrogen phosphate AR500g
1.01863.030 Potassium dihydrogen phosphate AR25kg
1.01863.040 Potassium dihydrogen phosphate CP500g
1.01863.050 Potassium dihydrogen phosphate CP25kg
1.01863.060 Potassium dihydrogen phosphate CP25kg
1.01863.080 Potassium dihydrogen phosphate AR25kg
1.01863.120 Potassium dihydrogen phosphate AR25kg
Characteristic: Appearance and properties: Coloeless odorless solid.
pH value: 4.4(50g/L H2O,20℃)
Relative density: 2.34(water=1)(20℃)
Melting point(℃): 253(decomposition)
Concentration: Pure
Solubility: Dissolve easily in water,insoluble in ethanol.
Technical indicators:
Item AR CP
Assay(KH2PO4) ≥99.5% ≥99.0%
pH-value(50g/L solution,25℃) 4.2~4.5 4.2~4.5
Clarity of solution Pass2 Pass4
Insoluble matter in water ≤0.002% ≤0.005%
Loss on drying ≤0.2% ≤0.3%
Chloride(Cl) ≤0.001% ≤0.005%
Sulfate(SO4) ≤0.003% ≤0.005%
Total nitrogen(N) 0.001% ≤0.002%
Arsenic(As) ≤0.0005% ≤0.002%
Sodium(Na) ≤0.02% ≤0.05%
Iron(Fe) ≤0.001% ≤0.005%
Heavy metals(as Pb) ≤0.001% ≤0.005%
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
国产精品福利中文字幕| 亚洲中文有码在线观看 | 国产亚洲精品无码专区| 国产精品秘入口18禁麻豆免会员| 国产精品成人99一区无码| 国产精自产拍久久久久久蜜| 中文无码一区二区不卡αv| 欧美日产国产精品| 和岳每晚弄的高潮嗷嗷叫视频 | 国产又爽又猛又黄视频| 亚洲精品国产成人片| 国产av一区二区三区| 亚洲av成人无遮挡网站在线观看| 99久久99久久精品国产片| 狠狠躁夜夜躁人人躁婷婷视频| 亚洲精品一区二区区别| 日韩亚洲精品国产第二页| 亚洲精品无码aⅴ中文字幕蜜桃 | 樱花草视频www日本韩国| 午夜福利理论片在线观看播放| 伊人久久大香线蕉av成人| 久久99精品久久久久久| 激情综合色综合啪啪五月丁香搜索| 国产一区二区内射最近人| 美女扒开腿让男人桶爽app免费看| 亚洲成a人片在线观看无码| 人妻少妇看a偷人无码| 日韩av无码精品一二三区| 亚洲国产成人AV在线电影播放| 人妻仑乱a级毛片免费看| av诱惑一区二区三区| 国产免国产免‘费| 亚洲免费中文在线观看| 日日摸天天摸人人看| 97人妻天天爽夜夜爽二区| 天天天天躁天天爱天天碰2018| 国产成人无码aⅴ片在线观看 | 欧美精品videosex性欧美| 亚洲粉嫩高潮的18p| 在线永久免费观看黄网站| 色综合天天综合高清网|