92手机看片福利永久国产-94欧美setu-97capcom超频在线-97dyy影院理论片-久久国内精品-久久国内精品视频

Langfang Naco New Material(Chemical Reagent Department)
Professional production base of general chemical reagent and pharmaceutical accessories
Hotline:+86-15076659665
Products
Products
Acetic acid,sodium salt trihydrate

Acetic acid,sodium salt trihydrate

Molecular formula: CH3COONa·3H2O
Molecular weight: 136.08
CAS NO:6131-90-4
Properties: colorless transparent crystal or white particle. Wheathering in the dry air. Relative density is 1.45 and melting point is 58℃. Soluble in water and slightly soluble in ethyl alcohol.
Standard: maximum assay of impurities is in %

Specifications/item

Analytically pure-AR

Chemically pure-CP

High purity

Industrial superior grade

Assay(CH3COONa·3H2O)

99.0

≥98.0

58~60
(CH3COONa)

58~60
(CH3COONa)

PH value (50g/L,25℃)

7.5~9.0

7.5~9.0

7.5~9.0

7.5~9.0

Clarity test

Qualified

Qualified

Qualified

Water insoluble matter

≤0.002

≤0.005

≤0.005

≤0.05

Chloride(Cl)

0.001

≤0.003

≤0.035

≤0.2

Sulfate(SO4)

≤0.005

≤0.005

 

phosphate(PO4)

≤0.0002

≤0.0005

≤0.0005

Aluminium (Al)

≤0.0005

≤0.001

Calcium (Ca)

≤0.002

≤0.005

Iron (Fe)

≤0.0002

≤0.0005

≤0.0005

≤0.005

Copper (Cu)

≤0.0005

≤0.001

Lead (Pb)

0.0005

≤0.001

Potassium permanganate-reducing material
(HCOOH)

0.01

≤0.02

Arsenic (As)

-

Heavy metal (Pb)

≤0.001

≤0.003

Uses: as chemical reagent, printing and dyeing auxiliary, meat preservative, raw material for acetic anhydride. It can also be used in electronics, instrument, metallurgy, pharmaceutical, electroplating, and other fields.

Packing: woven bag lined with plastic bag, kraft bag, or fiber drum, net weight is 25kg.

Back

WeChat
Contact Us
Copyright (C) 2020, Langfang Naco new material Technology Co., LTD All Rights Reserved.Supported by ChemNet ChinaChemNet Toocle Copyright Notice
 
點擊這里給我發消息
客服一
點擊這里給我發消息
客服二
點擊這里給我發消息
客服三
 
 
 
 
主站蜘蛛池模板: 欧美xxxx做受欧美精品 | 免费人成毛片乱码 | 亚洲资源站 | 可以看黄的网址 | 美国一级毛片免费 | 国产一区二区三区福利 | 五月天久久久 | 91成人午夜精品福利院在线观看 | 精品久久九九 | 五月婷婷丁香综合 | 最新中文字幕免费视频 | 久久99国产精品一区二区 | 国产亚洲欧美另类久久久 | 在线观看一级毛片免费 | 999av视频 | 成人欧美视频在线观看播放 | 日韩精品国产一区 | 日韩欧美久久一区二区 | 无人区理论片手机看片 | 亚洲人成片在线观看 | 亚洲一区二区三区精品影院 | 中文字幕23页 | 精品国产免费第一区二区三区日韩 | 亚洲永久免费 | 久久精品国产精品亚洲 | 国产免费一区不卡在线 | 综合久久精品 | www.操操操| 亚洲国产福利 | qvod小说区图片区亚洲 | 最新avhd101在线播放 | 亚洲人成网址在线播放a | 国产精品亚洲二区 | 亚洲精品欧美日韩 | 在线免费视频 | 亚洲国产亚洲片在线观看播放 | 女人aaaaa片一级一毛片 | 国产啪视频1000部免费视频 | 亚洲另类春色小说 | 手机看片地址 | 国产精品久久网 |