Spesifikasi Aluminium ammonium sulfate dodecahydrate for analysis EMSURE
Description
Aluminium ammonium sulfate dodecahydrate for analysis EMSURE Laboratory Reagents
Analysis Note
Assay (complexometric): 99.0 - 102.0 %
Insoluble matter: ≤ 0.005 %
Chloride (Cl): ≤ 0.0005 %
Nitrate (NO₃): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.001 %
As (Arsenic): ≤ 0.00005 %
Ca (Calcium): ≤ 0.05 %
Cr (Chromium): ≤ 0.0005 %
Fe (Iron): ≤ 0.0002 %
K (Potassium): ≤ 0.005 %
Mn (Manganese): ≤ 0.0005 %
Na (Sodium): ≤ 0.005 %
Corresponds to ACS
Properties
| Quality Level | 300 |
| grade | ACS reagent |
| pH | 2.6 (25 °C, 100 g/L in H2O) |
| bp | 200 °C/1013 hPa |
| mp | 93 °C |
| bulk density | 700‑800 kg/m3 |
| storage conditions | Store at +5°C to +30°C. |
