东京热日韩中文字幕_国产AV无码专区亚洲AⅤ蜜芽_中文字幕无码人妻精品_国产全黄a一级毛片美女_很黄很污的视频网站_亚洲一级色片_中文字幕黄色福利视频_永久免费影视在线观看_粉嫩一级免费毛卡片_亚洲日韩在线国内精品91

Aotong Chemical

Current position: Home > Aotong Chemical > Industrial Grade Sodium Metabisulfite

Industrial Grade Sodium Metabisulfite



Quality Standard HG/T2826-2008

Item

Chinese standard

Company standard 

HG/T2826-2008

Top-grade

First grade

Main content(以Na2S2O5計(jì)),%

≥96.5

≥95.0

≥97.0

Fe (Fe),%

≤0.005

≤0.010

≤0.002

Water-Insoluble%

≤0.05

≤0.05

≤0.02

Arsenic(As) content%

≤0.0001

—

≤0.0001

Molecular Formula: Na2S2O5

Molecular weight:190.10

Appearance:White crystal powder




  Previous product： Sodium 2-Mercaptobenzothiazole
  Next product： Sodium sulphite

                                                    Copyright(C)2024 , Yantai Aotong Chemical Co., Ltd. All Rights Reserved.  Supported by  ChemNet  ChinaChemNet Toocle Copyright Notice