亞硫酸鈉
SODIUM SULFITE
| Na2SO3 % | 91.54 |
| NaCL % | 0.01 |
| Fe % | 0.003 |
| APPEARANCE OF SOLID | WHITE CRYSTAL POWDER |
| ARSENIC(ppm) | ＜1.00 |
| CHLORIDE(ppm) | 19.00 |
| HEAVY METALS as Pb(ppm) | 9.00 |
| INSOLUBLE-WATER % | ND |
| IRON as Fe(ppm) | 2.98 |
| MOISTURE % | 0.04 |
| PH 5 % SOLUTION | 10.59 |
| CHEMICAL ASSAYS(PURITY as Na2SO3) % | 99.22 |
| SELENIUM(ppm) | ＜2.00 |
| SODIUM SULPHATE % | 0.73 |
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性 質
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用 途
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| 白色晶體或粉末，鹼，硫味，溶於水，稍溶於乙醇。 | 紙工業（半化學漿），還原劑（染料），水處理，攝影顯像劑，食物防腐與抗氧化劑，紡織漂白（解氯劑）。 |