Sodium metabisulfite

Quality standard: HG/T2826-2008


Item

National standard
HG/T2826-2008

Enterprise current value

Superior grade

Top grade

Main content (as Na2S2O5),%

≥96.5

≥95.0

≥97.0

Iron content (as Fe),%

≤0.005

≤0.010

≤0.002

Water insolubles content,%

≤0.05

≤0.05

≤0.02

Arsenic (as As) content, %

≤0.0001

≤0.0001

 

Molecular formula: Na2S2O5
Molecular weight: 190.10
Appearance: white crystal powder
Net weight: 25, 50, 1000 kg/bag or according to customer requirements.

 

To use
Used for the production of insurance powder, sulfadimethylpyrimidine, caprolactam, etc., as well as chloroform, phenylsulfoxide and benzaldehyde purification; an ingredient used in the photographic industry as a fixing agent; for the production of vanillin in the spice industry; used as preservative in brewing industry, rubber coagulant and cotton cloth bleaching dechlorination agent; organic intermediates, dyes, tanning used as reducing agents used in electroplating industry, oilfield wastewater treatment and as mineral processing agent in mines, etc.


In industry
Used for printing and dyeing, organic synthesis, printing, leather, pharmaceutical and other departments; Used as preservative, bleach and loose agent in food processing.


Used as chemical reagent
(printing and dyeing and photography, etc.), used as bleaching agent, mordant, reducing agent, rubber coagulant, also used in organic synthesis pharmaceutical and spices, etc


Business license

Company Add: Shijiazhuang New and High-tech Industrial Zone, Hebei province
P.C.: 050000  Contact: Director Ren +86-13832390234
Manager Ren +86-13603311335/15027769680   Fax: +86-311-86581118
E-mail: 250768848@qq.com   Website: www.sjzwfkj.com

Copyright(C)2021,Shijiazhuang Weifeng Technology Co., Ltd. All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle 31fabu Copyright Notice

weifeng technology
Business license
weifeng technology

Company Add: Shijiazhuang New and High-tech Industrial Zone, Hebei province
P.C.: 050000  Contact: Director Ren +86-13832390234
Manager Ren +86-13603311335/15027769680   Fax: +86-311-86581118
E-mail: 250768848@qq.com   Website: www.sjzwfkj.com

Copyright(C)2021,Shijiazhuang Weifeng Technology Co., Ltd. All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle 31fabu Copyright Notice

护士交换做爰3 真空下楼取快递被C嗯啊 亚洲国产成人精品女人久久久 荫蒂每天被三个男人添动漫 吃奶2做爰韩国 免费视频看片APP 星空无限传媒官网免费观看电视剧 麻花传剧原创MV在线观看 男人边吻奶边挵进去A片小说 公借种日日躁我和公乱 真人床片60分钟免费看 性饥渴女邻居4伦理HD 琪琪伦伦影院理论片 国产CHINESE男男GAYGAY视频网站 头等舱客服的特殊待遇2 巜被社长侵犯的人2中文在线 女人性做爰100部免费 老女人裸体交性大片 久久黄色视频 日本欧美久久久久免费播放网 丰满的继牳伦理 男女无遮挡XX00动态图120秒 人妻在客厅被C的呻吟 夜夜穞天天穞狠狠穞AV美女按摩 被三个室友狂躁到早上男男 少女たちよ观看动漫第四季 飞机上的性服务2 大地二大全资源在线观看 胸一面膜上边一面膜下边免费 小莹客厅激情46章至50章视 亚洲AV无码乱码精品国产 少女免费观看片哔哩哔哩在线观看视频 两个领导在车里吃我奶H视频 护士长办公室被躁BD视频 诱人的妺妺2 《年轻的寡妇2》中文字幕 免费无码又爽又刺激A片软件妖精 人妻无码 老色鬼久久AV综合亚洲健身 亚洲人成色777777商业模式 日本人裸体做爰视频 成全电影免费观看完整版的方法 最好免费观看高清在线 啊灬啊灬啊灬快灬深草莓视频 亚洲精品久久久久AVWWW潮水 黑料门-今日黑料-最新2023 成人A片免费看片86影院 同性男男GAY片在线观看播放 樱花视频在线观看电视剧全集免费 法国情欲片巜野性无码