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
α-Lactose?COA Report
  • CAS No.:14641-93-1
  • Molecular weight:342.30
  • Aliases:4-O-beta-D-Galactopyranosyl-alpha-D-glucopyranose
  • Molecular formula:C12H22O11
  • EC No.:238-691-8
  • HS-No:1702190000
Information
Specification category:
Product No. Product name specifications
1.18301.010 α-Lactose AR500g
Characteristic: Appearance and properties:Monoclinic crystals with a faint sweetness
Melting point(℃):201-202
Solubility:Soluble in water,Slightly soluble inMethanol, ethanol,disoluble?inEther and chloroform
Technical indicators:
Item AR
Spec.rottion,α20/D +52.20~+52.80
Clarity of solution Pass
Insoluble matter in water ≤0.005%
Acidity(as CH3COOH) ≤0.2
Loss on drying ≤0.5%
Residue on ignition(as SO4) ≤0.05%
Total nitrogen(N) ≤0.005%
Iron(Fe) ≤0.001%
Heavy metals(as Pb) ≤0.0005%
Fat ≤0.01%
Dextrins and starch Pass
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1
久久精品国产亚洲77777| 亚洲日韩一中文字暮av| 漂亮人妻被中出中文字幕| www国产内插视频| 国产亚洲一本大道中文在线| 娇妻玩4p被三个男人伺候电影| 国产成人无码a区在线视频无码dvd| 国产成人一区二区三区免费| 猫咪www免费人成网站无码| 婷婷色婷婷开心五月四房播播久久| 国产精品国产av片国产| 九色九九九老阿姨| 日本高清视频永久网站www| 人妻少妇久久中文字幕| 国产成a人亚洲精v品无码性色| 任我爽精品视频在线观看| 亚洲精品nv久久久久久久久久| 女高中生自慰污污网站| 国产成人久久精品激情| 1000部啪啪未满十八勿入下载| 国产精品亚洲а∨怡红院| 浮妇高潮喷白浆视频| 亚洲国产精品av在线播放| 精品麻豆国产色欲色欲色欲www| 18禁止看的免费污网站| 午夜高清国产拍精品| 97夜夜澡人人爽人人喊中国片| 国产破外女出血视频| 国产乱子伦视频大全亚瑟影院| 高清国产天干天干天干不卡顿 | 99久久精品国产一区二区| 国产午夜福利片在线观看| 亚洲а∨精品天堂在线| 99久久免费看少妇高潮a片| 天堂www中文在线资源| 肥白大屁股bbwbbwhd| 夜色福利站www国产在线视频| 小12国产萝裸体视频福利| 永久黄网站色视频免费| 亚洲国产欧美在线人成最新| 久久狠狠色噜噜狠狠狠狠97|