给我播放电影在线观看视频,久久婷婷国产剧情内射白浆,国产乱妇无码大黄AA片,一个人的视频全免费观看中国

Welcome to Fujian Kings Fluoride Industry Co., Ltd website!
Sinochem Group member companies

Service Tel

+86-599-5636798 / 5636998

Products
Products
Home > Products
Industrial Ammonium hydrogen fluoride

Molecular formula: NH4HF2
Molecular weight: 57.05

 

 

 

 

Item Index
Top grade First grade Qualified product
Ammonium hydrogen fluoride(NH4HF2) (as dry)w/% ≥ 98.0 97.0 96.0
Loss on drying w/% ≤ 1.5 3.0 4.0
Residue on ignition, w/% ≤ 0.1 0.2
Sulphate (as SO4)w/% ≤ 0.1 0.1
Ammonium fluosilicate[(NH4)2SiF6]w/% ≤ 0.5 1.5 3.0

 

Properties: Colorless diamond or flaky crystal. Easy deliquescence, soluble in water, slightly soluble in alcohol, will break down if heating or in hot water. Corrosion of glass, poisonous.

Uses: used in glass carve, extraction of rare elements and used as a preservative and mordant.

Storage: sealed tightly, avoid moisture.

Transportation: Inorganic poisonous chemicals

Packing: PE bag, net wt 25kg, or following your demands.

Contact us

International trade

Tel:+86-599-5636798

Fax:+86-599-5636818

Domestic Trade

Tel: +86-599-5636998

Fax: +86-599-5636333

Address: Nanping City, Jianyang District, Fujian Province , China

Interactive platform

GNLASER

Copyright(C)2021, Fujian Kings Fluoride Industry Co., Ltd. All Rights Reserved. Supported by  ChemNet ChinaChemNet Toocle
久久精品A一国产成人免费网站| 欧洲熟妇色XXXX欧美老妇多毛图片| 精品国产精品国产偷麻豆| 成人免费777777| 精品国产AV 无码一区二区三区| 欧洲AV无码放荡人妇网站|