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产品分类
      液体中华彩是什么
      硫酰氯
      亚硫酸钠
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液体中华彩是什么种类
 

 
产品名称
中华彩是什么   别名:亚硫酸酐
理化性质
分子式:SO2分子量:64.06  密度:2.55g/ cm3熔点:-72.4C  沸点:45C   无色有刺激性臭味、有毒的气体,不可燃、易液化,能形成酸雨。
执行标准(GB/T3637-93):
 项  目
指标
优等品
一等品
合格品
外观
无色或略带黄色的透明液体
中华彩是什么SO2 %
99.97
99.90
99.60
残渣,%≤
0.010
0.040
0.20
水分,%≤
0.020
0.060
0.20
砷As  1),%≤
0.000004
注:1)对以硫磺为原料直接生产的液体中华彩是什么应检测砷,在生产正常情况下,每季度检测一次
 
 
 
 
 
 
 
 
 
 
产品用途 Applications
中华彩是什么主要用途有:造纸、制造各种亚硫酸盐、亚硫酸氢盐、
硫代硫酸盐,生产锦纶,合成洗涤剂、橡胶促进剂等,也用于医药、皮革制造、农业、食品工业中作防腐剂和消毒剂等。
 
 
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