国产精品99久久久久久www,青春娱乐国产分类精品二,欧美综合自拍亚洲自拍网,色欲99精品久久久久久

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

日韩国产欧美激情在线视频| 国产三级视频在线观看| 精品美女国产美女色噜噜| 欧美亚洲另类国产19p| 激情综合亚洲五月色婷婷| 小小水蜜桃视频高清在线观看| 国产在线观看无码免费视频| 永久免费不卡在线观看黄网站| 中文精品久久99久久久| 欧美专区一区二区在线播放| 国产日韩精品v一区二区| 日本美女黄大片在线观看| 亚洲午夜成人片| 福利电影网影院午夜福利| 国产激情精品一区二区三区| 国产精品高清网站| 一区二区三区日本高清视频| 久久不射| 永久免费不卡在线观看黄网站| 欧美亚洲日本久久久久久| 2019久久久久久福利| 这里只有精品一区二区三区| 乱熟女高潮一区二区三区| 欧美性极品xxxx做受| 久久不射| 亚洲乱亚洲乱少妇无码99p| 亚洲欧美综?区自拍另类| 性a欧美片| 男人爱看的网站| 东京不太热尤物自慰精品| 性高湖久久久久久久久| 密臀视频| 国产精品一区二区av蜜佟| 久久国产精品女| 国产私拍视频| 国产美女裸体无遮挡免费视频| 神午夜久久亚洲精品电影闲| 她扒下内裤让我爽了一夜a片| 欧美金发尤物av在线观看| 哥哥的女人完整版在线观看| 好爽毛片一区二区三区四|