亚洲成人av_不卡av片_人妻巨大乳hd免费看_黄色小说内容_三级视频片_av网站网址_为爱搞激情_色九区_性姿势伦理未删减版_www狠狠_秋葵视频成人_久操热久操_日本网站在线看_久草网在线_狠狠做

SZSE:002741
Chemical Reagents
Polyvinyl alcohol COA Report
  • CAS No.: 9002-89-5
  • Molecular formula:HO(C2H4O)nH
  • HS-No:39053000
Information
Specification category:
Product No. Product name specifications
1.17142.040 Polyvinyl alcohol Imp500g
Characteristic: Appearance and properties:milky white powder.
Relative density(water=1):1.31-1.34(crystals,water=1)
Solubility:insoluble in petroleum ether,soluble in water.
Technical indicators:
Item Imp
Assay(degree of hydrolysation) ≥95.0%
Loss on drying ≤5.0%
Residue on ignition(as sulfate) ≤0.8%
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
主站蜘蛛池模板: 加查县| 成安县| 柏乡县| 加查县| 三门县| 蓬安县| 宁夏| 乐陵市| 台中市| 资源县| 称多县| 界首市| 咸丰县| 康马县| 寻甸| 磴口县| 高邮市| 登封市| 台江县| 宁夏| 金乡县| 桓仁| 佳木斯市| 汕头市| 新津县| 卓尼县| 定兴县| 鞍山市| 梅河口市| 济源市| 青岛市| 茌平县| 南陵县| 诸暨市| 盘锦市| 黄浦区| 武安市| 马公市| 绥江县| 冷水江市| 石狮市|