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U.S. Department of Health and Human Services

Food

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Elemental Analysis Manual: Section 3 General Analytical Operations and Information

for Food and Related Products

 

Table of Contents

 

3.1 CONTAMINATION CONTROL

3.1.1 ENVIRONMENTAL

3.1.2 LABORATORY WARE

3.2 ANALYTICAL FIGURES OF MERIT

3.2.1 INSTRUMENT

3.2.2 ANALYTICAL SOLUTION

3.2.3 ANALYTICAL PORTION

3.3 UNCERTAINTY 

3.3.1 UNCERTAINTY CALCULATIONS

3.3.2 DETERMINATION OF A SPECIFIC UNCERTAINTY

3.3.3 SPECIAL SITUATIONS AND NONHOMOGENEITY

3.3.4 CONSISTENCY WITH THE ORA LABORATORY MANUAL

3.4 SPECIAL CALCULATIONS

3.4.1 FORTIFICATION RECOVERY

3.4.2 OTHER RECOVERY

3.4.3 DILUTION FACTOR

3.4.4 GRAVIMETRIC STANDARD SOLUTION PREPARATION

3.4.5 PERCENT DIFFERENCE

3.4.6 MASS CORRECTION FACTOR

3.5 REFERENCE MATERIALS

3.5.1 REFERENCE MATERIAL USE FOR QUALITY CONTROL

3.5.2 IN-HOUSE REFERENCE MATERIAL DEVELOPMENT

3.5.3 REFERENCE MATERIAL RE-VERIFICATION

3.5.4 ORGANIZATIONS PROVIDING REFERENCE MATERIALS

3.5.5 COMPILATION OF SOURCES OF REFERENCE MATERIALS

3.5.6 IN-HOUSE REFERENCE MATERIAL CERTIFICATES

3.6 INSTRUMENT PERFORMANCE

3.6.1 GRAPHITE FURNACE ATOMIC ABSORPTION SPECTROMETER

3.6.2 COLD VAPOR ATOMIC ABSORPTION SPECTROMETER

3.6.3 INDUCTIVELY COUPLED PLASMA-ATOMIC EMISSION SPECTROMETER

3.6.4 INDUCTIVELY COUPLED PLASMA-MASS SPECTROMETER

3.7 TYPICAL ELEMENT CONCENTRATIONS

3.7.1 U. S. FOOD AND DRUG ADMINISTRATION

3.7.2 U. S. DEPARTMENT OF AGRICULTURE

3.7.3 FOOD STANDARDS AGENCY (UNITED KINGDOM)

3.7.4 FOOD STANDARDS AUSTRALIA NEW ZEALAND

3.7.5 HEALTH CANADA

GLOSSARY