Cation detection limits of the 850 Professional IC for direct injection and after preconcentration
| |
Detection limits [ng/L] |
| |
Lithium |
Sodium |
Ammonium |
Potassium |
Magnesium |
Calcium |
|
Direct injection:
100 μL*
|
200 |
250 |
370 |
2700 |
2500 |
3800 |
| Sample preconc. from 10 mL* |
2 |
3 |
2 |
6 |
5 |
4 |
*Column: Metrosep C3 - 250; eluent: 2.5 mmol/L HNO3, 1 mL/min; column temperature: 40 °C
Anion detection limits of the 850 Professional IC for direct injection and after preconcentration
| |
Detection limits [ng/L] |
| |
Fluoride |
Chloride |
Nitrite |
Bromide |
Nitrate |
Phosphate |
Sulfate |
Direct injection:
20 μL1 |
370 |
330 |
410 |
900 |
990 |
890 |
830 |
| Sample preconc. from 10 mL2 |
0.7 |
1.2 |
0.8 |
2.3 |
2.5 |
2.6 |
2.3 |
1Column: Metrosep A Supp 5 – 100; eluent: 3.2 mmol/L Na2CO3, 1.0 mmol/L NaHCO3, 0.7 mL/min; column temperature: 25 °C
2Column: Metrosep A Supp 7 – 250; eluent: 3.6 mmol/L Na2CO3, 0.8 mL/min; column temperature: 45 °C
