Inner Mongolia Xinshimeng Technology Development Co., Ltd.

Sulfide Science and Technology Information Network

products catalogue and technical specification

Ns2s90-92%、 Crystal Sodium sulfide、10ppm、  20ppm、  30ppm、  50ppm、  80ppm、  120ppm、  1200ppm、  1500ppm

Sodium sulfide National standard of Peoples Republic of China—Non national standard (Region Grade) enterprise standard

National standard of Peoples Republic of China: GB/T10500-2000

Index item

Index

First type

Second type

Third type

Superior Quality

First Grade

Qualified Product

First Grade

Qualified Product

 Na2S Content
60.0
60.0
60.0
60.0
60.0
65.0
Na2SO3 ≤
2.0
Na2S2O3
2.0
Fe      ≤
0.03
0.12
0.20
0.003
0.005
0.08
Na2CO3  ≤
3.5
5.0
2.0
3.0
4.0
Water insoluble
0.20
0.40
0.80
0.05
0.1
0.3
Industrial Sodium sulfide to be divided three type in this standard:
1 The first type of Sodium sulfide is general(Commonly know as the Red Alkali)
2
The second type of Sodium sulfide is low iron(Commonly know as the yellow Alkali)
3
The third type of Sodium sulfide is high content.

Industrial Sodium sulfide National standard of Peoples Republic of China / Non national standard / enterprise standard

Sodium sulfide General flake (Enterprise standard)

Index item

Index

sodium sulfide
Na2S ≥ 60 %
sodium sulfite
Na2SO3 ≤ 5.0 %
Fe
Fe ≤ 0.15 %  (1500ppm)
insoluble residue

Water insoluble

≤ 0.4  %
exterior

Aspect

Maroon flake/granule

Sodium sulfide General flake (Enterprise standard)

Index item

Index

sodium sulfide
Na2S ≥ 52 %
sodium sulfite
Na2SO3 ≤ 5.0 %
Fe
Fe ≤ 0.15 %  (1500ppm)
insoluble residue

Water insoluble

≤ 0.4  %
exterior

Aspect

Maroon flake/granule

Sodium sulfide General Granules (Enterprise standard)

Index item
Index
sodium sulfide
Na2S ≥ 50 ~ 60 %
sodium sulfite
Na2SO3 ≤ 5.0 %
Fe
Fe ≤ 0.15 %  (1500ppm)
insoluble residue
Water insoluble
≤ 0.4  %
exterior

Aspect

Maroon flake/granule

(150ppm)Low iron  Sodium sulfide(150ppm)

Index item
Index
sodium sulfide
Na2S ≥ 50 ~ 60 %
sodium sulfite
Na2SO3 ≤ 5.0 %
Fe
Fe ≤ 0.15 %  (1500ppm)
insoluble residue
Water insoluble
≤ 0.4  %
exterior

Aspect

Maroon flake/granule

(80ppm)Low iron  Sodium sulfide(80ppm)

Index item
Index
sodium sulfide Na2S ≥ 50 ~ 60 %
sodium sulfite Na2SO3 ≤ 2.00 %
Sodium thiosulfate Na2S2O3 ≤ 2.00 %
Fe Fe ≤ 0.008 %  (80ppm)
Sodium carbonate Na2CO3 ≤ 2.00 %
insoluble residue
Water insoluble
≤ 0.20 % 
exterior
Aspect
yellow flake/granule

(50ppm)Low iron  Sodium sulfide(50ppm)

Index item
Index
sodium sulfide
Na2S ≥ 50 ~ 60 %
Fe
Fe ≤ 0.005 % (50ppm)
Sodium carbonate
Na2CO3 ≤ 2.0 %
insoluble residue
Water insoluble
≤ 0.2 %
exterior
Aspect
yellow flake/granule

(30ppm)Ultra low iron  Sodium sulfide(30ppm)

Index item
Index
sodium sulfide
Na2S ≥ 50 ~ 60 %
Fe
Fe ≤ 0.003 % (30ppm)
Sodium carbonate
Na2CO3 ≤ 2.0 %
insoluble residue
Water insoluble
≤ 0.05 %
exterior
Aspect
yellow flake/granule

(90-92%) Anhydrous Sodium sulfide(90-92%)

Index item
Index
sodium sulfide Na2S ≥ 90-92 %
sodium sulfite+Sodium thiosulfate Na2SO3十Na2S2O3  3  %
Moisture Moisture  0.5 %
Sodium carbonate Na2CO3  2.00 %
Sodium sulfate Na2SO4 ≤ 1.00 %
insoluble residue
Water insoluble
≤ 0.05 % 
density
density
≤ 0.5  %
exterior
Aspect

Light yellow granule

(42%)Crystal Sodium sulfide(42%)

Index item
Index
crystal sodium sulfide(Na2S.5H2O) Na2S ω/% ≥ 42.0
Sodium thiosulfate Na2S2O3 ω/% ≤ 0.40
sodium sulfite Na2SO3 ω/% ≤ 0.30
Fe Fe ω/ppm ≤ 5
Sodium carbonate Na2SO4 ω/% ≤ 0.15
insoluble residue
Water insoluble
ω/% ≤ 0.012  
exterior
Aspect

 White granule

Inner Mongolia Xinshimeng Technology Development Co., Ltd.

Sulfide Science and Technology Information Network

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