亚洲精品电影久久久,公交车拨开丁字裤进入口述

欧美精品久久久久精品三级app,亚洲一区二区国产三区不卡,久久久精品人妻国产蜜桃婷婷,亚洲国产欧美国产综合久久

Products

L(+)Choline Bitartrate

Product name: L(+)Choline Bitartrate
Structural formula: [HOCH₂CH₂N+(CH₃)₃]HC₄H₄O₆-
Molecular formula: C₉H₁₉NO₇
Molecular weight: 253.25
Properties: white crystalline powder , absorbing moisture easily
Edition: USP 26
Specification:

Item	USP 26
Identification A , B , C	Ok
Assay > %	99.7
As ≤%	0.0003
Heavy metals(as Pb ) ≤%	0.002
Pb ≤%	0.001
Residue on ignition ≤%	0.1
Moisture ≤%	0.5
PH	3.4 ~ 3.7
Optical rotation	+17.5 ~ +18.5
1,4-dioxan	Ok
Escherichia coli	no
salmonella	no
coliform	<300g
number of microzyme	<100g
Total number of bacteria	≤3000g
Appearance	white crystalline powder

Contact us

Hangzhou Donglou Bio-nutrient Co., Ltd.
Add: Louta Town, Xiaoshan,Hangzhou,Zhejiang
Factory Director: Lou Xianqin Manager: Lou Hailong,+86-13967112289
Tel: +86-571-82225795 Fax: +86-571-82226695
Email: sales@dongloubio.com lhl@loutachem.com

Add: Louta Town, Xiaoshan,Hangzhou,Zhejiang
Factory Director: Lou Xianqin
Manager: Lou Hailong,+86-13967112289
Tel: +86-571-82225795
Email: sales@dongloubio.com lhl@loutachem.com

欧美精品久久久久精品三级app,亚洲一区二区国产三区不卡,久久久精品人妻国产蜜桃婷婷,亚洲国产欧美国产综合久久

杭州東樓生物營養(yǎng)有限公司 Hangzhou Donglou Bio-nutrient Co., Ltd.

Products

L(+)Choline Bitartrate

Contact us