| Model | 10PPM | 30PPM | 90PPM-150PPM |
| Na2S | 60% min | 60% min | 60% min |
| Na2CO3 | 2.0% max | 2.0% max | 3.0% max |
| Water Insoluble | 0.2%max | 0.2%max | 0.2%max |
| Fe | 0.001%max | 0.003%max | 0.008%max-0.015%max |
OTHER USED
♦ In the photographic industry to protect developer solutions from oxidation. ♦ It is used in the production of rubber chemicals and other chemical compounds. ♦ It is use in other applications include ore flotation, oil recovery, food preservative, making dyes, and detergent.FAQ
Q: How can I get some samples? A: Can provide free samples for testing before order, just pay for the courier cost. Q: What’s the payment terms? A: 30% T/T deposit, 70% T/T balance payment before shipment. Q: How does your factory do regarding quality control? A: We have a strict quality control system, and our professional experts will check the goods packing and test functions of all our items before shipment.SPECIFICATION
usage
