Quality of Agar is up to national Standard GB1975-80:
Specification:
1. powder
Gel /Jelly strength: 800-1300g/cm2
Loss on drying :15%max
Residue after burning 5.0%max
Hot water insoluble 1.0%max
Starch assay( add two drops of iodine solution): no blue color appearance
Appearance: from white to light yellow powder
Heavy metals (Pb) 0.004%max
As 0.0001%max
Packed in 25kgs plastic woven bags/carton or 10kgs per iron drum .
2. Strip
Gel /Jelley strength: 450g/CM2 Min.
Loss on drying 22%max
Residue after burning 5.0%max
Hot water insoluble 1.0%max
Water absorption ability 75ml max
Starch assay( add two drops of iodine solution): no blue color appearance
Packed in 10kgs plastic woven bags. |
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