Determination of Sodium (Na)

Apparatus

1. 150 mL BEAKERS
2. 18 X 150 mL TEST TUBES
3. METAL FILTER

Procedure

1. Weigh 1.000 g sample into a 150 mL beaker.
2. Add 100 mL H20 and place on stirrer for 30 min.
3. Filter mixture with metal filter and pour filtrate into a large test tube.
4. Before analyzing, pour filtrate into ICP test tube.
5. Take reading directly from ICP printout with no decimals.

Calculation

1. Na (2.54) ppm = NaCl ppm