球探比分网足球即时比分007|球探比分足球即時比分|
<tt id="ckuig"></tt>
<menu id="ckuig"></menu>
<object id="ckuig"></object>
<xmp id="ckuig"><menu id="ckuig"></menu>
<samp id="ckuig"><xmp id="ckuig"><tt id="ckuig"></tt>
PRODUCTS
N-(2-Hydroxy-1,1-bis(hydroxymethyl)ethyl)glycine
CAS NO.: 5704-04-1
Molecular formula: C6H13NO5
Structural formula:
Properties: white crystalline powder. Melting point: 187℃. Soluble in water and other organic solvents
Specification:

Appearance

white crystalline powder

Content (Ti)

≥99.0%

Melting point

181-187℃

Insoluble matter in water

≤0.01%

Heavy metal

≤5PPM

Drying loss

≤1.0%

PH(1% aqueous solution)

4.4-5.2

Absorbance (260nm 0.1M aqueous solution

≤0.04

Absorbance (280nm 0.1M aqueous solution)

≤0.02

Uses: as buffer solution in bioengineering
Packing: fiber drum lined with plastic bag, net weight 1kg; 5kg; 25kg/drum
OrderBack
球探比分网足球即时比分007
<tt id="ckuig"></tt>
<menu id="ckuig"></menu>
<object id="ckuig"></object>
<xmp id="ckuig"><menu id="ckuig"></menu>
<samp id="ckuig"><xmp id="ckuig"><tt id="ckuig"></tt>
<tt id="ckuig"></tt>
<menu id="ckuig"></menu>
<object id="ckuig"></object>
<xmp id="ckuig"><menu id="ckuig"></menu>
<samp id="ckuig"><xmp id="ckuig"><tt id="ckuig"></tt>
l篮球比分网 华体网比分直播 竞彩比分直播赛果 北京十一选五一定有 24500皇冠比分走赔 莱比锡对赫根比分推荐 二人麻将胡牌牌型图解 吉林十一选五走势图 竞彩足球比分开奖 福建时时彩 排列7走势图 王者荣耀电竞比分 11选5广东 皇冠比分h1133 竞彩篮球大小分 10分11选5最新开奖结果