Papua New Guinea Insurance powder
Category:
Product Description
Chinese name:Sodium dithionite
Molecular formula:Na2S2O4
Features:This product is white crystalline powder, no odor or slightly sulfur dioxide odor.
Quality standard:Industrial grade: HG/T 2074-1991 JIS K 1476-1995
Packing:Iron drum sealed packaging, lined with double polyethylene film bag
Use:The hydrosulfite is widely used in the textile industry for reductive dyeing, reductive cleaning, printing and decolorization, and for bleaching of silk, wool, nylon and other fabrics. Insurance powder can also be used for food bleaching, such as gelatin, sucrose, honey, soap, moving (plant) oil, bamboo, porcelain clay bleaching. Insurance powder can also be used in organic synthesis, such as dyes, pharmaceutical production as a reducing agent or bleaching agent, it is the most suitable for wood pulp paper bleaching agent. Moreover, many heavy metal ions such as Pb2 ,Bi3, etc. can be reduced to metal in water treatment and pollution control, and can also be used to preserve food and fruits.
Product technical indicators:
|
Indicator Name
|
85%
|
|
Na2S2O4
|
≥ 85%
|
|
Iron (Fe)
|
≤ 20ppm
|
|
Zinc (Zn)
|
≤ 1ppm
|
|
Clarity
|
Clarification
|
|
EDTA
|
-
|
|
Arsenic (As)
|
-
|
|
Other heavy metals (as Pb)
|
-
|
|
Formate (as HCHO)
|
-
|
|
water insoluble matter
|
≤0.05%
|
|
Storage period (months)
|
12
|
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