USD $120.00-120.00 / Kilogram
USD $1.60-1.60 / Metric Ton
USD $166.00-166.00 / Metric Ton
USD $5.00-20.00 / Kilogram
USD $15.00-25.00 / Kilogram
sodium metabisulfite
product name: sodium metabisulfite / sodium metabisulphite
molecular formula: na2s2o5
molecular weight: 190.10
specification: 25kg woven bag
quality guarantee period: 6 months
uses: food additive, preservative, decolorizer, reducing agent, rubber coagulator, mineral separation, developing agent, sewage treating agent
property: white or light yellow powder
storage: please store in cool, dry and ventilated warehouse
transportation: seperate from acid, oxidizing agent and toxic products; please pay attention to rain, moisture and sunshine
executive standard: gbl983-1998
item |
index |
testing result |
main content(na2s2o5)% |
≥95.0 |
96.83 |
iron (fe)% |
≤0.005 |
0.0006 |
heavy metal(pb)% |
≤0.001 |
0.0002 |
arsenic(as)% |
≤0.0002 |
0.00008 |
water insoluble % |
≤0.005 |
0.0007 |
ph |
4.0-4.6 |
4.3 |
clarity |
slightly turbid |
slightly turbid |
chloridion(cl)ppm |
|
0.18 |