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Sampling and Subsampling

Trace Analysis Guide:
Part 3

By Paul Gaines, Ph.D.
OverviewSampling PublicationsDeveloping a Sampling PlanConstructing a Sampling ProgramDifferent Approaches to SamplingSubsamplingDetermination of Sampling and Sub-Sampling ErrorsContamination Issues During SamplingFurther Reading
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Constructing a Sampling Program

The above information can then be used to construct a sampling program, using the following set of criteria:

  1. The objective as stated above.
  2. Analyte(s) of interest and method(s) to be used.
  3. Sampling location(s).
  4. Number of samples to be collected and the procedure for sampling, including sample preservation / pretreatment / storage conditions / requirements.

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Trace Analysis Guide
Table of Contents 1. Definition, Stages and Training 2. Planning the Project 3. Sampling and Subsampling 4. Introduction to Sample Preparation 5. Container Material Properties 6. Container Transpiration 7. Stability of Elements at ppb Concentration Levels 8. Environmental Contamination 9. Contamination From Reagents 10. Contamination From the Analyst and Apparatus 11. Acid Digestions of Inorganic Samples 12. Acid Digestions of Organic Samples 13. Sample Preparation by Fusion 14. Ashing Sample Preparation Procedures 15. ICP-OES Measurement 16. ICP-MS Measurement 17. Method Validation
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