日日操天堂aV,男人的天堂网AV综合,国产夫妻自拍一二区,www.中文字幕色淫,婷婷一二三,久久久久3,久久道精品,久久草高清视频,97伊人网

Hotline: +86-571-82225795

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

Home

Home

About us

About us

Products

Products

>Contact us

Contact us

岱山县| 尼玛县| 嘉兴市| 法库县| 客服| 那曲县| 济宁市| 新巴尔虎右旗| 德阳市| 金山区| 视频| 林州市| 嘉义市| 凤阳县| 岗巴县| 东台市| 晴隆县| 庆安县| 佛冈县| 贵南县| 鹤岗市| 冷水江市| 哈巴河县| 白山市| 灵宝市| 东兴市| 玉门市| 微博| 长宁区| 慈溪市| 淮阳县| 小金县| 苗栗县| 辛集市| 敖汉旗| 洮南市| 辽阳市| 余姚市| 怀远县| 宁津县| 云安县|