东京热av人妻无码,国产在线视频一区二区三区,亚洲av无码一区二区二三区 ,日本人丰满xxxxhd

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

狠狠cao日日穞夜夜穞| 无码人妻少妇伦在线电影| 欧美性受XXXX白人性爽| 亚洲av无码国产精品夜色午夜 | 玩弄了裸睡少妇人妻野战| 色欲人妻aaaaaaa无码| 高h喷水荡肉自慰爽文np| 精品成人a人无码亚洲成a无码| 一本一道色欲综合网中文字幕| 解开人妻的裙子猛烈进入| 亚洲毛片| 边做饭时猛然进入高h| 国产大学生粉嫩无套流白浆| 精品无码久久久久久久久水蜜桃| 教官脱了男生衣服摸j的故事 | 尤物yw午夜国产精品视频| 狠狠色噜噜色狠狠狠综合久久| 乱人伦人妻精品一区二区| 将军在书房含乳尖h| 久久精品亚洲精品国产色婷| 国产精品久久久久免费a∨ | 日本免费一区二区三区视频观看| 久久久久久国产精品美女| 我趁老师睡觉摸她奶脱她内裤 | 黑人粗大猛烈进出高潮视频| 国产同事露脸对白在线视频| 欧美精品一区二区少妇免费a片| 欧洲精品码一区二区三区免费看| 被各种陌生人np调教灌尿| 精品久久久无码中文字幕| 小洁和公h文翁17| 丰满少妇被猛烈进入| 试看a片成人免费区| 天下第一社区视频www国语| 国产99久久久国产精品免费| 午夜a片免费| 男女做爰裸体猛烈吃奶摸视频| 亚洲精品99久久久久中文字幕| 无码AV免费一区二区三区试看| 精品人妻人人做人人爽夜夜爽| 老张和老李互相换女h|