日韩 一区 在线,色香欲天天影视综合网,性欧美丰满熟妇XXXX性久久久,午夜视频国产在线观看

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

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

无码高潮少妇毛多水多水免费| 亚州欧美日韩久久精品| 国产黄动漫在线观看| 少妇性活BBBBBBBBB小说| 长篇YIN乱大合集TXT全文下载| 国产亚洲精品精华液| 国产在线观看精品一区二区三区91| 门卫老头吮她的花蒂在线观看| 4444亚洲人成无码网在线观看| 国产精品国内免费一区二区三区| 国产亚洲精品97| 处破女轻点疼丨98分钟| 青青国青青国产在线视频| 无码日本H肉黄动漫魔乳密剑贴| 国产精品自产拍高潮在线观看| 又粗又黄又猛又爽大片app| 娇妻被交换粗又大又硬86页| 免费在线黄色电影| 亚洲国产欧美日韩一区| 性色午夜视频免费男人的天堂| 在线观看一区二区精品视频| 亚洲国产成人久久综合一区77| 成年男女免费视频网站| 老熟女高潮一区二区三区| 国产成人一区二区三区不卡蜜臀| 亚洲国产福利一区二区三区| 欧美在线区| 免费男人下部进女人下部视频| 日韩欧美一区二区不卡看片| 中文有无人妻VS无码人妻激烈| 久久久久99精品国产片| 美女露出奶头扒开尿口| ...91久久精品一区二区三区| 欧美日韩亚洲综合在线一区二区| 丰满日韩放荡少妇无码视频| 午夜无码乱码在线观看| 天天摸日日添狠狠添婷婷| 午夜视频在线观看一区| 甜蜜的妻子| 亚洲成AV人片在线观看豆| 一区二区三区性色福利在线视频|