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?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av丝袜旗袍无码网站| 丰满岳乱妇一区二区三区 | 国产av精品国语对白国产| 无码精品人妻一区二区三区中| 亚洲中文无码mv| 国产亚洲成av人片在线观黄桃| 亚洲国产成人久久精品大牛影视| 精品黑人一区二区三区| 欧美性受xxxx黑人xyx性爽| 色拍拍在线精品视频| 日本免费一区二区三区四区五六区 | 无码中文字幕免费一区二区三区| 亚洲中文字幕无码永久在线不卡| 人妻中出受孕 中文字幕在线| 麻豆av一区二区天美传媒| 久久不见久久见www日本网| 亚洲日韩小电影在线观看| 亚洲精品乱码久久久久久久久久久久| 男男车车的车车网站w98免费| 欧美在线三级艳情网站| 欧洲lv尺码大精品久久久| 国模精品一区二区三区| 久久99精品国产99久久6尤物| 国产精品国产三级国产av主播| mm1313亚洲国产精品无码试看| 蜜桃精品成人影片| 亚洲国产精品综合久久网络 | 国语自产视频在线| 国产女女做受ⅹxx高潮| 国产草草影院ccyycom| 欧美一区内射最近更新| 人妻少妇乱子伦精品无码专区电影| 无码骚夜夜精品| 妺妺窝人体色www在线观看| 久久国产精品精品国产色婷婷| 人妻夜夜爽天天爽三区麻豆av网站| 国产对白老熟女正在播放| 国产精品亚洲а∨天堂2021| 国产精品成人久久电影| 强行无套内谢大学生初次| 亚在线观看免费视频入口|