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
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
国产欧美久久一区二区三区| 少妇人妻大乳在线视频不卡 | 亚洲精品久久国产精品| 一本色道久久88—综合亚洲精品 | 国产精品国产高清国产av | 亚洲乱码一区二区三区在线观看| 午夜福利视频合集1000| 日本护士毛茸茸| 亚洲av色欲色欲www| 影音先锋中文字幕无码资源站 | 亚洲人成图片小说网站| 对白脏话肉麻粗话av| 欧美96在线 | 欧| 天天综合亚洲色在线精品| 国产日韩欧美| 国产午夜精品av一区二区麻豆| 疯狂撞击丝袜人妻| 午夜理理伦电影a片无码| 精品偷拍一区二区三区在线看| 7777久久亚洲中文字幕| 初尝人妻少妇中文字幕| 色欲色香天天天综合vvv| 特级精品毛片免费观看| 18精品久久久无码午夜福利 | 潮喷失禁大喷水aⅴ无码| 国产色无码精品视频国产| 又色又爽又黄的视频网站| 上司人妻互换中文字幕| 青青草97国产精品免费观看| 亚洲国产精品尤物yw在线观看| 一本色道无码不卡在线观看| av香港经典三级级 在线| 精品无码午夜福利理论片| 激情内射人妻1区2区3区| 一区二区三区无码视频免费福利| 美女啪啪网站又黄又免费| 国产偷人爽久久久久久老妇app| 亚洲欧洲成人精品香蕉网| 亚洲a∨国产av综合av下载| 欧美z0zo人禽交欧美人禽交| 国产综合精品一区二区三区|