无码日韩精品一区二区免费暖暖_日韩人妻无码精品久久_狂躁美女大bbbbbb视频u_亚洲精品一区二区三区在线观看_自拍偷自拍亚洲精品播放

SZSE:002741
Chemical Reagents
Ammonium dihydrogen phosphate?COA Report
  • CAS No.:7722-76-1
  • Molecular weight:115.03
  • Aliases:monoammonium phosphate
  • Molecular formula:(NH4)H2PO4
  • UN Code:3264
  • EC No.:231-764-5
  • HS-No:31054000
Information
Specification category:
Product No. Product name specifications
1.06125.010 Ammonium dihydrogen phosphate AR500g
1.06125.020 Ammonium dihydrogen phosphate CP500g
1.06125.030 Ammonium dihydrogen phosphate AR25kg
1.06125.070 Ammonium dihydrogen phosphate CP25kg
1.06125.070 Ammonium dihydrogen phosphate CP25kg
1.06125.080 Ammonium dihydrogen phosphate AR25kg
Characteristic: Appearance and properties:Colorless and odorless solid.
pH Value:3.8-4.4
Relative density (water=1):1.80 (20℃)
Melting point(℃):190
Concentration:Sterling
Solubility:Soluble in water, slightly soluble in alcohol, dissolved in acetone.
Technical indicators:
Item AP CP Ammonium dihydrogen phosphate assay(NH4H2PO4) ≥99.0% ≥ 98.5% pH value(50g/l solution,25℃) 4.0~4.5 4.0~4.5 Clarity test Qualified3# Qualified5# Insoluble matter in water ≤0.005% ≤0.01% Chloride (Cl) ≤0.0005% ≤0.001% Sulfur compounds (as SO4) ≤0.005% ≤0.01% Nitrate (NO3) ≤0.001% ≤0.002% Sodium (Na) ≤0.005% ≤0.01% Potassium (K) ≤0.005% ≤0.01% Iron (Fe) ≤0.001% ≤0.003% Arsenic (As) ≤0.0005% ≤0.002% Heavy metals (as Pb) ≤0.0005% ≤0.001%
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
国产放荡对白视频在线观看| 亚洲一区二区三区小说| 新版天堂资源中文8在线| 亚洲国产成人精品无码一区二区| 无码h黄动漫在线播放网站| 亚洲人成色在线观看| 国产性猛交╳xxx乱大交| 久久精品无码专区免费| 欧美日韩精品一区二区在线播放 | 欧美性色欧美a在线图片| 亚洲欧美一区二区三区日产| 中国杭州少妇xxxx做受| 国产 中文 亚洲 日韩 欧美| 国产av永久无码青青草原| 欧美裸体xxxx极品少妇| 黑人巨茎大战白人美女| 亚洲一区二区精品在线看| 人妻丝袜无码国产一区| 久久精品一区二区东京热| 波多野成人无码精品电影| 中文字幕亚洲综合久久2020 | 免费a级毛片无码无遮挡| 免费少妇荡乳情欲视频| 日韩成人精品一区二区三区| 激情按摩系列片aaaa| 毛片一区二区三区无码| 久视频精品线在线观看| av亚洲精品一区二区| 真实国产老熟女粗口对白| 狂野欧美激情性xxxx| 女人的精水喷出来视频| 樱花草视频www日本韩国| 国产欧美成人一区二区a片| 久久综合色之久久综合| 大色综合色综合网站| 无码超级大爆乳在线播放| 色欲色香天天天综合无码www| 欧美人与动牲交a精品| 婷婷开心五月综合基地| 男女一边摸一边做爽爽| 国内少妇偷人精品视频免费|