Basic Training 4th Annual ICP Conference
Silicon in silicone oils
2 – Sample Preparation Possible approaches
1. Acid digestion 2. Base digestion 3. Ashing/fusion 4. Dilute-and-shoot
Possible concerns ! volatility of silicone oils
Silicon in silicone oils
2 – Sample Preparation Possible approaches
Advantages
Disadvantages slow (?), requires HF
1. Acid digestion 2. Base digestion 3. Ashing/fusion 4. Dilute-and-shoot
minimal equipment, few reagents
minimal equipment, few reagents
basic solutions
minimal equipment
flux matrix
simple
chemistry
Method 1. Combine equal parts sample and alcoholic 1M KOH in LDPE 2. Heat 60 o C for 4 hours
Possible concerns ! volatility of silicone oils
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