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
Sodium acetate anhydrous?COA Report
  • CAS No.：127-09-3
  • Molecular weight：82.03
  • Molecular formula：CH3COONa
  • EC No.：204-823-8
  • HS-No：29152900
Information
Specification category：
Product No. Product name specifications
1.01545.010 Sodium acetate anhydrous AR250g
1.01545.020 Sodium acetate anhydrous AR500g
1.01545.030 Sodium acetate anhydrous CP500g
1.01545.040 Sodium acetate anhydrous CP20kg/drum
1.01545.050 Sodium acetate anhydrous CP25kg/drum
1.01545.060 Sodium acetate anhydrous CP25kg/Sack
1.01545.070 Sodium acetate anhydrous AR20kg/drum
1.01545.080 Sodium acetate anhydrous AR25kg/drum
1.01545.090 Sodium acetate anhydrous CP250g
1.01545.130 Sodium acetate anhydrous AR20kg
1.01545.140 Sodium acetate anhydrous AR20kg
1.01545.150 Sodium acetate anhydrous AR20kg
Characteristic： Appearance and properties: colorless and odorless powder.
Relative density?(water=1): 1.52 (20℃)
Melting point(℃): 324(resolve)
Boiling point(℃): >400(resolve)
Concentration: sterling
Solubility: Water(20℃) 365 g/L,Soluble in ethanol. Dissolved?in ether.
Technical indicators：
Item AR CP
Assay(CH3COONa) ≥99.0% ≥98.5%
pH-value(50g/L,water,25℃) 7.5～9.0 7.5～9.0
Clarity of solution Pass3 Pass5
Insoluble matter in water ≤0.005% ≤0.01%
Chloride(Cl) ≤0.002% ≤0.005%
Sulfide(as SO4) ≤0.003% ≤0.01%
Phosphate(PO4) ≤0.0005% ≤0.001%
Magnesium(Mg) ≤0.0005% ≤0.001%
Aluminum(Al) ≤0.001% ≤0.002%
Calcium(Ca) ≤0.005% ≤0.005%
Iron(Fe) ≤0.0005% ≤0.001%
Heavy metals(as Pb) ≤0.001% ≤0.002%
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
国产精品中文久久久久久久| 欧美日韩不卡合集视频| 熟妇的味道hd中文字幕| 亚洲一区二区三区高清av| 亚洲av无码专区在线厂| 麻豆亚洲av永久无码精品久久| 伊人久久大香线蕉av波多野结衣| 国产suv精品一区| 欧美日本精品一区二区三区 | 精品无码无人网站免费视频| 精品人妻中文字幕有码在线| 国产乱子伦视频大全| 国产免费a∨片在线软件| 福利视频在线播放| 亚洲精品乱码久久久久久蜜桃| 丁香五月亚洲综合深深爱| 永久免费av无码网站性色av| 午夜无遮挡男女啪啪免费软件| 人妻体内射精一区二区三区| 国产成人av一区二区三区无码| 国产ww久久久久久久久久| 国产极品美女高潮无套| 国产精品夜间视频香蕉| 在线看亚洲十八禁网站| 国偷自产短视频中文版| 日日干夜夜操高清视频| 午夜内射中出视频| а√中文在线资源库| 精品人妻少妇嫩草av无码专区| 色偷偷人人澡人人爽人人模| 国产精品无码日韩欧| 午夜内射中出视频| 18禁黄网站禁片免费观看女女| 精品亚洲一区二区三区四区五区| 人妻奶水人妻系列| 亚洲乱码国产乱码精品精| 日韩一区二区三区高清电影| 欧美疯狂做受xxxxx高潮| 撕开奶罩揉吮奶头视频| 大屁股人妻女教师撅着屁股| 日产精品99久久久久久|