产商/产地 | 河北 | 产品名称 | 其他 |
含量 | 70(%) | 执行质量标准 | GB |
sodium hydrosulhide硫氢化钠
molecular formula:nahs
molecular weight:56.06
cas number:16721-80-5
h.s code:28301090
standard:gb/t19001-2000
appearance:yellow flakes or yellow solid
usage:tannage, textile, dye, chemical material, mining, etc.
packing:flakes packed in25kg plastic woven bags,or 900kg jumbo bags.
solid packed in 150kg/320kg iron drums.
liquid packed in 1200kg ibc drums,or iso tanker.
specification:
item项目 |
index指标 |
||
flakes片状 |
solid固体 |
liquid液体 |
|
nahs≥% 硫氢化钠 |
70 |
70 |
40 |
na2s ≤% 硫化钠 |
3.0 |
3.0 |
1.0 |
fe ≤% 铁 |
0.003 |
0.003 |
—— |
na2co3 ≤% 碳酸钠 |
0.6 |
0.6 |
—— |
watter insoluble≤% 水不溶物 |
0.005 |
0.005 |
—— |
na2so3 ≤% 亚硫酸钠 |
0.5 |
0.5 |
—— |