久久在这里有精彩视频-激情综合五月婷婷久久-亚洲欧美高清国产精品-亚洲天堂成人在线一区

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

国产精品一区日韩欧美| 国产又色又爽又黄又免费 | 国产午夜福利不卡片在线观看| 国产午夜精品福利免费不| 久久热麻豆国产精品视频| 国产女优视频一区二区| 国产高清视频一区不卡| 国产永久免费高清在线精品| 国产欧美亚洲精品自拍| 人妻久久这里只有精品| 国产精品丝袜一二三区| 果冻传媒精选麻豆白晶晶| 高跟丝袜av在线一区二区三区| 亚洲男女性生活免费视频| 亚洲国产香蕉视频在线观看| 欧美特色特黄一级大黄片| 国产欧美一区二区久久| 国产精品蜜桃久久一区二区| 久久re6热在线视频| 国产精品亚洲欧美一区麻豆| 欧美一级特黄特色大色大片| 国产精品不卡高清在线观看 | 日本av一区二区不卡| 麻豆在线观看一区二区| 亚洲男人的天堂色偷偷| 中文字幕日韩欧美亚洲午夜| 九九热精彩视频在线播放| 都市激情小说在线一区二区三区| 91精品欧美综合在ⅹ| 日韩一区二区免费在线观看| 老外那个很粗大做起来很爽| 国产视频一区二区三区四区| 日韩亚洲精品国产第二页| 人妻内射在线二区一区| 国产精品视频一级香蕉| 一区二区不卡免费观看免费| 亚洲午夜精品视频观看| 国产中文另类天堂二区| 最近最新中文字幕免费| 日本女优一区二区三区免费| 国产永久免费高清在线精品|