无码精品人妻一区二区三区,激情综合五月天开心久久,在线 日韩 一区 二区,久久精品不卡一区二区三区

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

Electronic Grade Anhydrous Hydrofluoric Acid

Quality Standard

Molecular FormulaHF                         Molecular Weight20.01

No.

Item

Unit

Spec.

1

Hydrofluoric Acid (HF)

wt%

≥99.999

2

Chloride(Cl)

ppb

≤100

3

Nitrate (NO3)

ppb

≤100

4

Phosphate(PO4

ppb

≤100

5

Sulfate(SO4

ppb

≤100

6

Silicon(SI)

ppb

≤100

7

Iron(FE)

ppb

≤50

8

Nickel(NI)

ppb

≤50

9

Chromium(CR)

ppb

≤50

10

Copper(CU)

ppb

≤50

11

Sodium(NA)

ppb

≤50

12

Calcium(CA)

ppb

≤50

Properties
Colorless transparent liquid with strong Hydrofluoric Add, highly toxic, strong corrosivity, boiling point is 19.5℃
Application
Semiconductor etching
Storage
Please store in warehouse with shack to avoid solarization
Transport
As level one inorganic sour corrosion substance
Packing
Packed in medium pressure high purity steel cylinders, each bottle is 4L, 10L, 40L

【Back】

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

色黄片电影一区二区三区| 日韩精品亚洲春色欧美激情| 日本一区二区三区在线高清| 亚洲区一区二精品中文字幕| 久久久久国产久精品成人| 青春草在线视频免费观看| 国产自天天人人| 国产精品福利午夜h视频| 国产午夜在线精品三级a| 国产区人妖另类精品视频| selao久久国产精品| 9999热精品免费视频| 精品久久久99大香线蕉| 国产精品va在线观看无| 风骚少妇伊人网在线观看| 亚洲第一中文国产av蜜臀| 在线播放国产精品中文字幕| 久久播放视频| 国产精品138| 99精品国产丝袜在线拍国语| 第一精品福利在线资源导航| 亚洲天堂2017无码| 亚洲欧美中文日韩在线视频| 少妇性荡欲午夜性开放视频剧场| 午夜成人影院污在线视频| 欧美超薄遮肉裤一区二区| 国产亚洲一区二区三区av| 国产经典三级αv在线观看| 亚洲国产精品成人无码区| 中文字字幕在线乱码| 日本在线免费观看午夜视频| 国产成人高清综合在线。| 亚洲欧洲日产国码高潮AV| 亚洲精品又粗又大又爽a片| 日本欧美中文字幕人在线| 精品老司机免费观看在线| 日韩国产精品欧美一区色| xxxx日本一区二区三区| 98国产福利精品小视频| 97影院秋霞午夜在线观看| 国产成人亚洲精品无码|