| Item | Results |
| NaS2O3 5H2O | 99.62% |
| Iron (Fe) | 7 PPM |
| PH, 1% soln | 8-9 |
| Insoluble matter (Ca, Mg, NH4OHppt) 0.2% max | 0.10% |
| Particle size | 8~20mesh |
GREEN MOUNTAIN CO., LTD.
Add:9F. No. 85 Sec. 1 Jhong Shan North Road, Taipei, Taiwan
Tel:886-2-2523-9899 Fax:886-2-2581-0196
E-mail:greenmot@ms13.hinet.net E-mail:30@greenmot.com.tw