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

Reagent Grade Hydrofluoric Acid

Quality StandardGB620-2011

Molecular FormulaHF                             Molecular Weight20.01

Item

Index

G.R.

A.R.

C.P.

Hydrogen fluoride(HF)  w/%  ≥

40.0

40.0

40.0

Ignition Residue(sulfate) w/%   ≤

0.001

0.002

0.001

Chloride Content(Cl)  w/%   ≤

0.0005

0.001

0.005

Sulfate and Sulfite(SO4) w/%   ≤

0.001

0.002

0.005

Phosphate(PO4) w/%   ≤

0.0001

0.0002

0.0005

Fluorosilicate(SiF6) w/%  ≤

0.02

0.04

0.06

Fe  w/%  ≤

0.00005

0.0001

0.00005

Heavy metal(Pb) w/%  ≤

0.0001

0.0005

0.001

Properties
The product is a colorless and transparent soluble. It has a strongly pungent odor and a strong toxicity. It is very corrosive.
Application
The product is used in chemical industry,atomic energy industry chemical reagent and electronics cleaning.
Storage
The product should be stored in a storehouse with good ventilation.
Transport
It should be treated as Grade A inorganic acid corrosive goods during its transport. Avoid heating or getting wet in the rain. Slightly load and unload. Avoid striking.
Packing
The product is filled in a 25kg polythene plastic drum. Also fill it on consumer requests.

【Back】

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

麻豆一区二区三区精品视频| 国产大片资源中文字幕| 亚洲av无码一区二区三区性色| 久久人妻无码毛片a片麻豆| 无码精品人妻一区二区三区AV| 久久久久亚洲av无码永不| 国内永久免费crm系统| 18禁裸男晨勃露j毛免费观看| 色窝窝无码一区二区三区成人网站| AV天堂午夜精品一区二区三区| 国产老熟妇精品观看| 人妻无奈被迫屈辱1-9| 国产成人免费ā片在线观看 | 日日噜噜夜夜狠狠va视频| 国产无遮挡吃胸膜奶免费看| chinese熟女老女人hd| 国产精品国产三级国产专播| 被猛男狂cao的小男生| 军人边走边吮她的花蒂| 国产av国片偷人妻麻豆| 日本亚洲色大成网站www久久 | 粉嫩AV久久一区二区三区| 精品人妻无码一区二区三区绿| 精品久久人人妻人人做精品| 国产精品久久久久久无码| 久久天天躁狠狠躁夜夜avapp | 一女被两男吃奶玩乳尖| 亚洲精品粉嫩小泬18p| 亚洲国产精品va在线看黑人| 性夜影院爽黄a爽免费看不卡| 3d漫画全彩我的熟妇老师| 任你躁x7x7x7x7在线观看| 亚洲精品无码久久久久y| 高潮又爽又无遮挡又免费| 阿娇囗交13分钟在线播放| 婬荡少妇21p| caoporn免费视频在线| 无码国产av精品一区二区| 亚洲日韩国产成网在线观看 | 国产精品人人做人人爽人人添| 无码久久精品国产亚洲AV影片|