最近高清中文字幕一区二区-色偷偷噜噜噜亚洲男人的天堂-日本一在线观看中文字幕小视频-精品熟女少妇av久久免费软件

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 purpose

Executive standard: GB/T 30901-2014

Item

Index

UP-S

UP-SS

ammonium fluoride w/% ≤

40.0±1.0

40.0±1.0

ammonium fluosilicate[as (NH4)2Si F6]w/ (mg/kg) ≤

10

10

Hazen ≤

10

10

PH (10g/L solution, 25℃) ≤

6.0-7.5

6.0-7.5

chloride (as Cl)  w/ (mg/kg) ≤

3

0.2

nitrate (as NO3) w/ (mg/kg) ≤

3

0.1

phosphate (as PO4)w/ (mg/kg)≤

1

0.1

sulfate (as SO4)  w/ (mg/kg)≤

3

0.2

alumnium (Al)w/ (μg/kg) ≤

1

0.1

arsenic (As)w/ (μg/kg) ≤

1

0.1

boron (B)w/ (μg/kg)  ≤

1

0.1

barium (Ba)w/ (μg/kg) ≤

1

0.1

calcium (Ca)w/ (μg/kg) ≤

1

0.1

cadmium (Cd)w/ (μg/kg) ≤

1

0.1

chromium (Cr)w/ (μg/kg) ≤

1

0.1

copper (Cu)w/ (μg/kg) ≤

1

0.1

iron (Fe)w/ (μg/kg)≤

1

0.1

potassium (K)w/ (μg/kg)≤

1

0.1

lithium (Li)w/ (μg/kg)  ≤

1

0.1

magnesium (Mg)w/ (μg/kg) ≤

1

0.1

manganese (Mn)w/ (μg/kg) ≤

1

0.1

sodium (Na)w/ (μg/kg) ≤

1

0.1

nickel (Ni)w/ (μg/kg) ≤

1

0.1

lead (Pb)w/ (μg/kg) ≤

1

0.1

titanium (Ti)w/ (μg/kg) ≤

1

0.1

antimony (Sb)w/ (μg/kg) ≤

1

0.1

tin (Sn)w/ (μg/kg) ≤

1

0.1

zinc (Zn)w/ (μg/kg) ≤

1

0.1

particle

(≥0.5μm)/ (/mL) ≤

10

-

(≥0.2μm)/ (/mL) ≤

-

10

【Back】

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

沭阳县| 辽阳市| 罗城| 靖安县| 棋牌| 长乐市| 大理市| 安平县| 罗甸县| 达州市| 蓝田县| 清涧县| 毕节市| 忻城县| 大冶市| 靖边县| 新昌县| 宿松县| 迭部县| 稻城县| 上高县| 伊宁县| 咸宁市| 磴口县| 广安市| 攀枝花市| 邵阳县| 汤阴县| 松桃| 资兴市| 枞阳县| 枝江市| 秦皇岛市| 海晏县| 南和县| 黔西县| 黄冈市| 广安市| 宁南县| 普宁市| 黄冈市|