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
Potassium oxalate?monohydrateCOA Report
  • CAS No.:6487-48-5
  • Molecular weight:184.24
  • Aliases:Oxalic acid dipotassium salt monohydrate
  • Molecular formula:K2C2O4·H2O
  • UN Code:2928
  • EC No.:209-506-8
  • HS-No:29171100
Information
Specification category:
Product No. Product name specifications
1.01731.010 Potassium oxalate?monohydrate AR500g
1.01731.020 Potassium oxalate?monohydrate CP500g
1.01731.030 Potassium oxalate? AR25kg/Drum
Characteristic: Appearance and properties: White odorless solid.
pH value: 7.0~8.5(50g/L H2O,20℃)
Bulk density(kg/m3): 700~1100
Density(g/cm3): 2.13(20℃)
Solubility: Soluble in water(360g/L,20℃).
Technical indicators:
Item AR CP
Assay(K2C2O4?H2O) ≥99.8% ≥99.5%
pH-value(50g/L solution,25℃) 7.2~8.2 7.2~8.2
Clarity of solution Pass3 Pass5
Insoluble matter in water ≤0.003% ≤0.02%
Chloride(Cl) ≤0.001% ≤0.005%
Sulfide(as SO4) ≤0.01% ≤0.03%
Total nitrogen(N) ≤0.002% ≤0.005%
Phosphate(PO4) ≤0.001% ≤0.005%
Sodium(Na) ≤0.02% ≤0.05%
Iron(Fe) ≤0.0005% ≤0.001%
Heavy metals(as Pb) ≤0.0005% ≤0.001%
Readily carbonizable substance Pass Pass
Hazard characteristics:

IATA-DGR UN 2928 TOXIC SOLID,CORROSIVE,ORGANIC N.O.S.(POTASSIUM OXALATE MONOHYDRATE),6.1,Ⅱ

Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
亚洲午夜精品久久久久久浪潮 | 精品无码国产自产野外拍在线| 欧美精品欧美人与动人物牲交| 精品国产一区二区三区四区五区| 唐人社导航福利精品| 337p日本欧洲亚洲大胆张筱雨| √最新版天堂资源网在线| 免费人成无码大片在线观看| 国产高颜值大学生情侣酒店| 人人妻人人澡人人爽精品欧美| 精品乱码卡1卡2卡3免费开放 | 国产乱了真实在线观看| а天堂中文地址在线| 成年入口无限观看免费完整大片| 欧美激情精品久久| 久久av无码专区亚洲av桃花岛| 亚洲国产精品第一区二区三区| 久久成人麻豆午夜电影| 国产特级毛片aaaaaa毛片| 欧美喷潮久久久xxxxx| 日韩无套内射视频6| 亚洲一区二区三区偷拍女厕| 亚洲日本va中文字幕久久| 成人免费无码av| 久久99精品九九九久久婷婷| 成在线人视频免费视频| 亚洲大尺度无码专区尤物| 中文无码天天av天天爽| 日本熟人妻中文字幕在线| 影音先锋久久久久av综合网成人| 午夜福利无码不卡在线观看| 国精产品一品二品国精在线观看 | 国产乱人伦偷精品视频免下载| 18成人片黄网站www| 国产男女猛烈无遮挡免费视频网站 | 经典国产乱子伦精品视频| 国产另类ts人妖一区二区| 亚洲午夜精品一区二区| 好吊妞视频这里有精品| 国语对白做受xxxxx在线| 日韩少妇激情一区二区|