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warehouse in stock large particles sodium thiosulfate particles sodium thiosulfate haibo fish pond aquatic breeding washing can be exported

仓库现货大颗粒大苏打颗粒硫代硫酸钠海波鱼塘水产养殖洗涤可出口

  • EXW Price: Min. order:
    ¥2.8
    ≥500/kg
  • 500 kg
  • Exchage Rate 1 CNY ≈ 0.1419 USD
  • Weight 25.0 kg/kg
  • Stock num 500000 kg
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  • Description

硫代硫酸钠



分子式:Na2S2O2·5H2O

别称:海波,五水硫代硫酸钠,次亚硫酸钠。

外观:无色透明单斜晶系晶体。

英文名称:Sodium thiosulfate

性质:易溶于水,水溶液显弱碱性。有潮解性。




质量标准:

指  标  名  称

标  准  值

实  测  值

Na2S2O3·5H2O  %

≥ 99

99.2

水不溶物  %

≤ 0.01

0.0089

硫化物(以Na2S计) ppm

≤ 10

9.6

铁   ppm

≤ 20

19.5

pH值(200g/L溶液)

6.5--9.5

7


用途:

1、用作照相行业的定影剂。

2、用于电镀、净化用水和鞣制皮革。

3、还用作化工行业的还原剂、棉织品漂白后的脱氯剂、染毛织物的硫染剂、靛蓝染料的防白剂、纸浆脱氯剂、医药工业中用作洗涤剂、消毒剂和褪色剂等。


包装:

内衬塑料袋或塑料编织袋,净重25 kgs/包。



Update time:20240712214534


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