|
Fe
|
Na2 S
|
Water insoluble
|
Na2CO3
|
Na2CO3
|
Na2CO3
|
color
|
|
15ppm Max
|
60%min.
|
0.05%max
|
1.80%max
|
1.80%max
|
2.00%max
|
Yellow
|
|
20ppm Max
|
60%min.
|
0.10%max
|
1.80%max
|
1.80%max
|
2.00%max
|
|
|
30ppm Max
|
60%min.
|
0.18%max
|
1.80%max
|
1.80%max
|
2.00%max
|
|
|
50ppm Max
|
60%min.
|
0.18%max
|
1.80%max
|
2.00%max
|
2.00%max
|
|
|
80ppm Max
|
60%min.
|
0.20%max
|
2.00%max
|
2.00%max
|
2.00%max
|
|
|
150ppm Max
|
60%min.
|
0.30%max
|
3.00%max
|
2.00%max
|
2.00%max
|
|
|
1500ppm Max
|
60%min.
|
0.40%max
|
5.00%max
|
2.00%max
|
2.00%max
|
Red
|
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Sodium Sulfide
Description:
Formula: Na2S
CAS No: 1313-82-2
Melocular weight: 78.04
Appearence:
Solid-fused or granular, yellow/brown/red color, soluble in water,
Presenting strong alkaline solution, easily oxidized when exposed to
Air, poisonus.
Package: 25Kgs net in kraft/woven bag with PP liner.
Application:
Sodium sulfide for the manufacture of sulfur dyes, leather hair
Removal agents, metal smelting, photography, such as rayon and
Denitrification. Widely used in leather, paper, mineral processing,
Dye, organic intermediates, printing and dyeing, pharmaceutical, MSG,
Artificial fiber, special engineering plastic, polyphenylene sulfide,
Poly base rubber, also used in manufacturing sodium hydrosulfide,
And more sodium sulfide, sodium thiosulfate, etc., in the military
Industry also has some uses.