EQUIPMENT

1. Thermo Jarrell-Ash Model 61E ICP
2. Thermo Jarrell-Ash Autosampler 300
3. 48 position rectangular racks
4. Hamilton Digital Diluter
5. 150 mL glass beakers
6. Watch glasses
7. Hot Plate

REAGENT

1. Hydrochloric Acid: HCl

PROCEDURE

1. Weigh 1 g sample into a 150 mL beaker.
2. Add 2-3 mL deionized water in order to wet the sample.
3. Add 30 mL concentrated hydrochloric acid.
4. Cover with a watch glass.
5. Place on a hot plate and heat until boiling.
6. Allow to cool and transfer into a 1 liter volumetric flask.
7. Dilute to volume with deionized water and mix well.
8. Do an additional 1 to 10 dilution using the Hamilton digital diluter.
9. Analyze the 1 to 10 dilution on the ICP using the WATER matrix.

CALCULATION

% element = ppm in solution