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 acetate?trihydrateCOA Report
  • CAS No.:6131-90-4
  • Molecular weight:136.08
  • Molecular formula:CH3COONa?3H2O
  • EC No.:204-823-8
Information
Specification category:
Product No. Product name Specifications
1.01353.010 Sodium acetate?trihydrate AR500g
1.01353.020 Sodium acetate?trihydrate CP500g
1.01353.030 Sodium acetate?trihydrate AR25kg/Drum
1.01353.040 Sodium acetate?trihydrate CP25kg/Drum
1.01353.050 Sodium acetate?trihydrate CP25kg/Sack
Characteristic: Appearance and properties: colorless, transparent crystals or white granules. Weathering in dry air.
pH value: 8.9 (0.1 mol/L, 25 ℃)
Melting point(℃) (℃): 58
Volume density: ~ 900 kg/m3
Boiling point(℃):> 400
Relative density (H2O): 1.45 g/cm3 (20 ℃)
Ignition point (℃): 607
Flash point (℃):> 250
Thermal decomposition: 120 ℃ lose crystal water, higher temperature and then decompose.
Solubility: 1 g of the product was soluble in 0.8 mL of H2O, 0.6 mL of boiling water, 19 mL of ethanol.
Technical indicators:
Item AR CP
Assay(CH3COONa?3H2O) ≥99.0% ≥98.0%
pH value(50g/L solution,25℃) 7.5~9.0 7.5~9.0
Clarity of solution 3 5
Insoluble matter in water ≤0.002% ≤0.005%
Chloride(Cl) ≤0.001% ≤0.003%
Phosphate(PO4) ≤0.0002% ≤0.0005%
Aluminum(Al) ≤0.0005% ≤0.001%
Calcium(Ca) ≤0.002% ≤0.005%
Iron(Fe) ≤0.0002% ≤0.0005%
Copper(Cu) ≤0.0005% ≤0.001%
Lead(Pb) ≤0.0005% ≤0.001%
Substances reducing potassium permanganate (as HCOOH) ≤0.01% ≤0.02%
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
国产成人一区二区三区| 一本一道久久综合狠狠老| 国产成人愉拍精品| 日韩精品无码专区免费视频| 黑人巨大精品欧美一区二区免费| 国产精品熟妇视频国产偷人| 免费观看全黄做爰大片| 高h猛烈失禁潮喷无码视频| 波多野结衣的av一区二区三区| 欧美变态另类牲交| 一本色道久久88精品综合| 日韩a片无码毛片免费看| 日韩一区二区三区无码免费视频| 亚洲大尺度无码无码专线一区| 日本乱码伦午夜福利在线 | 一本大道伊人av久久综合| 十八禁午夜私人在线影院| 桃花综合久久久久久久久久网| 中文字幕亚洲无线码| 亚洲欧美洲成人一区二区| 亚洲精品久久久无码av片软件| 国产av麻豆mag剧集| 亚洲成aⅴ人在线观看| 亚洲熟妇中文字幕日产无码| 中文字幕va一区二区三区| 蜜芽国产尤物av尤物在线看 | 亚洲人成无码网www电影麻豆| 少妇午夜福利一区二区| 青草青草久热精品视频在线观看| 久青草无码视频在线观看| 精品精品国产高清a毛片| 国产福利视频| 久久久久成人片免费观看r| 夜夜添无码试看一区二区三区| 美女视频黄频a免费| 亚洲精品中文字幕一区二区三区| 久久人人爽人人爽人人片av超碰| 亚洲的天堂av无码| 国产成人亚洲精品狼色在线| 午夜爽爽爽男女免费观看影院| 亚洲欭美日韩颜射在线|