亚洲夂夂婷婷色拍WW47,性做久久久久久免费观看,夜夜高潮夜夜爽夜夜爱爱,精品亚洲欧美无人区乱码

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

精品一区高潮喷吹在线播放| 久久久久99精品成人片三人毛片 | 久久亚洲精品中文字幕| 少妇激情av一区二区三区| 欧美白人最猛性xxxxx| 亚洲欧美日韩一区二区三区| 亚洲精品无码久久久久yw| 国产精品污www在线观看| 亚洲另类激情专区小说| 亚洲日韩国产成网在线观看| 一本色道久久综合狠狠躁| 国产成人精品一区二区三区| 国产午夜三级一区二区三| 香港三级精品三级在线专区| 欧美日韩人妻精品一区二区三区 | 中文字幕av一区二区三区| 秘密爱在线观看| 成人性爱视频在线观看| 国产偷亚洲偷欧美偷精品| 亚洲色欲久久久久综合网| 国产无遮挡又黄又大又爽| 男女无遮挡xx00动态图120秒| 婷婷五月色综合香五月| 人妻少妇伦在线无码专区视频 | 国产精品v欧美精品∨日韩| 国产亚洲成av人片在线观黄桃| 与我同眠在线观看| 久久精品熟女亚洲av麻豆| 色综合久久无码五十路人妻| 又硬又粗又大一区二区三区视频 | 欧美电影在线观看| 国产99在线 | 欧美| 无码人妻丰满熟妇区免费| 色婷婷在线精品国自产拍| 麻豆av一区二区天美传媒| 精品无码国产污污污免费网站2| 亚洲精品女同中文字幕| 日韩AV无码精品一二三区| 人妻丰满熟妇av无码区app| 自己在线观看免费高清| 好男人资源在线看免费的|