激情 小说 亚洲 图片 伦,97精品国产97久久久久久免费,人妻丰满精品一区二区a片,国产强伦姧人妻毛片

Welcome to Fujian Yongjing Technology Co., Ltd. the website!

Contact us

Add: 18#, Xin'An Road, Shaowu City, Fujian, China
International Trade Dept.
Tel: +86-599-6655932/6654968
Fax: +86-599-6654591
Home Trade Dept. 
Tel: +86-599-6654866/6654968
Fax: +86-599-6655755
High-purity Chemicals Dept.
Tel: +86-599-6655536/6654968
Fax: +86-599-6655755


Products

High purity ammonium fluoride solution for industrial use

Implementation standards?:GB/T 30901-2014

 

item

index

UP-S

UP-SS

Ammonium fluoride content w/%  ≤

40.0±1.0

40.0±1.0

Ammonium fluosilicate [(NH4) 2SiF6] w/ (mg/kg)≤

10

10

Hazen ≤

10

10

PH (10g/L solution, 25) ≤

6.0-7.5

6.0-7.5

Chloride (in Cl)  w/(mg/kg)≤

3

0.2

Nitrate (as measured by NO3)w/(mg/kg)  ≤

3

0.1

Phosphate (in PO4) w/(mg/kg)≤

1

0.1

Sulfate (in SO4)w/(mg/kg) ≤

3

0.2

(Al)w/(μg/kg) ≤

1

0.1

(As)w/(μg/kg) ≤

1

0.1

(B)w/(μg/kg)≤

1

0.1

(Ba)w/(μg/kg) ≤

1

0.1

(Ca)w/(μg/kg)≤

1

0.1

(Cd)w/(μg/kg) ≤

1

0.1

(Cr)w/(μg/kg)≤

1

0.1

(Cu)w/(μg/kg) ≤

1

0.1

(Fe)w/(μg/kg) ≤

1

0.1

(K)w/(μg/kg)  ≤

1

0.1

(Li)w/(μg/kg) ≤

1

0.1

(Mg)w/(μg/kg)  ≤

1

0.1

(Mn)w/(μg/kg) ≤

1

0.1

(Na)w/(μg/kg) ≤

1

0.1

(Ni)w/(μg/kg) ≤

1

0.1

(Pb)w/(μg/kg)≤

1

0.1

(Ti)w/(μg/kg) ≤

1

0.1

(Sb)w/(μg/kg)≤

1

0.1

(Sn)w/(μg/kg) ≤

1

0.1

(Zn)w/(μg/kg)   ≤

1

0.1

Grain

(≥0.5μm)/(個/mL) ≤

10

-

(≥0.2μm)/(個/mL)  ≤

-

10

【Back】

Copyright(C)2017,Fujian Yongjing Technology Co., Ltd. All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle Copyright Notice

宜章县| 金沙县| 文山县| 江津市| 板桥市| 赫章县| 包头市| 象山县| 平潭县| 石首市| 本溪市| 阜新| 巴楚县| 宜章县| 沧源| 琼结县| 新泰市| 酉阳| 吴江市| 商水县| 陇川县| 英超| 抚顺县| 潼南县| 大冶市| 福泉市| 喜德县| 横峰县| 抚顺市| 宕昌县| 赣榆县| 星座| 北海市| 新巴尔虎左旗| 慈利县| 佛冈县| 出国| 庆云县| 康保县| 五华县| 镇宁|