亚洲成在线AAA_五月天激情视频A级在线版_旗袍丝袜玉腿扛起来进入_97久久久久久久久精品

·	Triphenylphosphine
·	Tetrachlorophthalic Anhydride
·	p-Cresol
·	Sodium sulfite
·	Sulfuric acid

· Binhai:Shaoxing Huawei Chemical Co.,Ltd.
· Tel: +86-575-85620368 13957559832
· Paojiang:Shaoxing Huali Fine Chemical Co., Ltd.
· Tel: +86-575-85726755 13867572782
· Pingshui:Shaoxing Huawei Chemical Co., Ltd.
· Tel: +86-575-85767147 13505751287
· E-mail: sales@huaweichemical.com
· Web: alpithers.com

Search:

Fuming sulfuric acid

【English name】:Oleum, Sulphuric acid fuming
【Chinese name】:20%Fuming sulfuric acid, 105 acid
【CAS】:7664-93-9
【Molecular formula】:H₂SO₄·xSO₃
【Quality standard】:

Item	National standard	Index
Sulfuric acid % ≥	104.5	104.5-105.2
Ignition residue % ≤	0.03	0.02
Iron content % ≤	0.010	0.008
As % ≤	0.0001	0.0001

【Use】:Widely used in synthetic dyes, explosive and pharmaceutical industry.