成人网站免费观看,99e久热只有精品8在线直播,亚洲综合无码明星蕉在线视频,亚洲精品一区二区三区中文字幕

SZSE:002741
Chemical Reagents
Sodium potassium tartrate?tetrahydrateCOA Report
  • CAS No.:6381-59-5
  • Molecular weight:282.23
  • Molecular formula:C4H4KNaO6·4H2O
  • EC No.:205-698-2
  • HS-No:29181300
Information
Specification category:
Product No. Product name specifications
1.01560.010 Sodium potassium tartrate?tetrahydrate AR500g
1.01560.020 Sodium potassium tartrate?tetrahydrate CP500g
1.01560.030 Sodium potassium tartrate?tetrahydrate AR25kg/drum
1.01560.040 Sodium potassium tartrate?tetrahydrate CP25kg/drum
Characteristic: Appearance and properties:colourless to white tasteless solid.
pH value:6.5-8.5(50 g/L H2O,25℃)
Melting point(℃):70-80
   Bulk density(kg/m3):~1000
Solubility: water(20℃) 630 g/L
Technical indicators:
Item AR CP
Assay(C4H4O6KNa?4H2O) ≥99.0% ≥98.5%
pH value(50g/L solution,25℃) 6.5~8.5 6.5~8.5
Clarity of solution pass3 pass5
Insoluble matter in water ≤0.005% ≤0.01%
Chloride(Cl) ≤0.001% ≤0.005%
Sulfate(SO4) ≤0.005% ≤0.03%
Total nitrogen(N) ≤0.005% ≤0.01%
Phosphate(as PO4) ≤0.001% --
Silicate(as SiO3) ≤0.005% --
Calcium(Ca) ≤0.002% ≤0.005%
Iron(Fe) ≤0.0005% ≤0.002%
Copper(Cu) ≤0.0005% ≤0.001%
Lead(Pb) ≤0.0005% ≤0.001%
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
97免费人妻在线视频| 曝光无码有码视频专区| 亚洲伊人久久综合成人| 天天躁日日躁很很很躁| 猫咪免费人成网站在线观看| 亚洲熟妇自偷自拍另欧美| 裸体丰满白嫩大尺度尤物| 日日碰狠狠躁久久躁96avv| 国产成人免费一区二区三区| 色悠久久久久久久综合网伊人| 国产精品久久久久久久久久久不卡 | 国产精品天干在线观看| 欧美白胖bbbbxxxx| 8ⅹ8x擦拨擦拨成人免费视频| 出租屋勾搭老熟妇啪啪| 亚洲一区二区无码偷拍| 2017亚洲天堂最新地址| 四虎国产精品永久在线观看| 小妖精又紧又湿高潮h视频69| www夜插内射视频网站| 欧美国产综合欧美视频| 午夜无码片在线观看影院| 制服国产欧美亚洲日韩| 肉岳疯狂69式激情的高潮| 国产免费无码一区二区| 五月色丁香婷婷网蜜臀av| 色偷偷噜噜噜亚洲男人| 成人午夜福利免费无码视频| 日木强大喷奶水av片| 国产成人a亚洲精v品无码| 无码人妻视频一区二区三区| 国产成人亚洲综合网站| 经典国产乱子伦精品视频| 激情五月综合色婷婷一区二区| 亚欧日韩欧美网站在线看| 免费无遮挡无码h肉动漫在线观看| 亚洲国产美女精品久久久| 国产av午夜精品一区二区三| 另类内射国产在线| 国产精品久久久久久免费软件| 亚洲精品综合在线影院|