技术规格说明书
产品名称
氢氧化钠 puriss. p.a., ACS reagent, reag. Ph. Eur., K ≤0.02%, ≥98%, pellets
产品编号
30620
产品品牌
sigald
化学文摘社编号
1310-73-2
分子量
40.00
Test皿 | 规格 |
|---|---|
| CONTENT OF CARBONATE (T) | sodium carbonate (Na2CO3) ≤ 1.0 % |
| ASSAY | 98.0 - 100.5 % |
| APPEARANCE OF SOLUTION | Complying |
| HEAVY METALS | ≤ 0.002 % (as Ag) |
| Miscellaneous Assay | silicate (as SiO2) ≤ 0.001 % |
| ALUMINIUM | ≤ 0.0005 % |
| ARSENIC | ≤ 0.0001 % |
| CALCIUM | ≤ 0.0005 % |
| COPPER | ≤ 0.0005 % |
| IRON | ≤ 5 ppm |
| MERCURY | ≤ 0.05 ppm |
| POTASSIUM | ≤ 0.02 % |
| MAGNESIUM | ≤ 0.0005 % |
| NICKEL | ≤ 0.0005 % |
| LEAD | ≤ 0.0002 % |
| ZINC | ≤ 0.0005 % |
| HEAVY METALS (PB) (ICP) | ≤ 5 ppm |
| CHLORIDE (CL) | ≤ 10 ppm |
| TOTAL NITROGEN | ≤ 0.0003 % |
| PHOSPHATE (PO4) | ≤ 0.0005 % |
| SULFATE (SO4) | ≤ 30 ppm |