青青草精品视频 I 久久99精品久久久久蜜桃tv I 国产jk制服丝袜美腿呻吟动漫 I 国产精品久久久久久久av福利 I 亚洲中文久久精品无码99 I 日韩av一区二区三区免费看 I 欧美无砖砖区 I 福利写真+在线观看 I 国产麻花豆剧传媒精品mv在线 I 色屁屁影视 I 日本免费一区二区三区四区五区 I 狠狠躁夜夜躁xxxxaaaa I 天天澡天天添天天摸又大 I 日本特黄特色aaa大片免费 I 强奷漂亮少妇高潮在线观看 I 成人拍拍拍无遮挡免费视频 I 人妻熟女欲求不满在线 I 99精品视频观看 I 性爱视频在线免费 I 国产成人毛片在线视频 I 精品视频一区二区三区中文字幕 I 久久久久琪琪去精品色无码 I 午夜小福利 I 亚洲综合一区在线观看 I 一区二区三区高清在线观看 I av超清在线 I 国产成人免费视频精品 I 国产无套粉嫩白浆内精在线网站 I 亚洲欧洲国产综合 I 人人妻人人妻人人片色av I 九九热精品视频 I 在线播放美女免费视频网站 I 九色视频一区 I 国产福利热线视频 I 免费国产黄色在线观看

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