久久爱综合久久爱久久爱,间谍过家家第二季在线观看免费,国产美女在线精品免费观看网址,欧美+日本+国产+在线观看

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

一本久久a久久精品vr综合| 久久精品国产亚洲精品| 亚洲啪啪综合AV一区| 天天想你在线播放免费观看| 亚洲av无码潮喷在线观看| 中文字幕一区二区三区日韩精品| 久久亚洲国产成人精品无码区| 国产一区二区三区不卡av| 亚洲色成人网站WWW永久四虎| 丰满爆乳无码一区二区三区| 欧美一区二区三区视频在线观看| 国产精品理论片| 玖玖热麻豆国产精品视频| 无码熟妇人妻AV在线影片最多| 亚洲成av人综合在线观看| 国产色情精品一区二区| 人人妻人人澡人人爽人人精品电影 | 手机在线看永久av片免费| 亚洲人成无码WWW久久久| 亚洲欧美日本韩国| 精品人妻少妇嫩草AV无码专区| 日本熟妇人妻中出| 成人区人妻精品一区二区在线av| 97精品一区二区视频在线观看| 国产51麻豆二区精品av视频| 熟妇人妻系列AV无码一区二区| 入禽太深免费观看| 欧美丰满熟妇xx猛交| 秋霞成人午夜鲁丝一区二区三区 | 熟妇高潮精品一区二区三区| 98久久人妻无码精品系列蜜桃| 国产精品色情国产三级在| 麻豆E奶女教师国产剧情| 欧美大尺寸SUV| 久久久久国产一区二区三区| 免费高清理伦片a片在线观看| 亚洲国产精品第一区二区| 最新69成人国产精品视频免费 | 欧美精品黑人粗大视频| 久久精品国产99国产精品亚洲| 欧美成人片一区二区三区|