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Inspection Services
The Center for Analytical Chemistry
Feed, Fertilizer & Livestock Drugs Regulatory Services Branch (FFLDRS)
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Methods & Recent Publications
Methods & Recent Publications
Methods
Heavy Metals
Analysis of Heavy Metals by ICP-MS
Heavy Metal Sample Preparation and Extraction
Micronutrients / Secondary Nutrients
Analysis of Minerals by ICP-OES
Extraction of Fertilizers for Mineral Analysis using ICP-OES
Silicon
Total Sulfur by Combustion using the Leco Analyzer
Gravimetric Analysis of Total Sulfur
Anions-IC (Determination of Inorganic Anions by Ion Chromatography)
Water Soluble Calcium
Primary Nutrients
Total Nitrogen Analysis by Combustion
Ammoniacal Nitrogen in Fertilizer
Available Phosphate and Soluble Potash in Fertilizer via ICP-OES
Total Phosphorus in Fertilizer
Urea Nitrogen in Fertilizer Samples
Water-Insoluble & Water-Soluble Nitrogen in Fertilizer using micro-Kjeldahl
Sample Preparation (Dry and Liquid)
Feed & Fertilizer Sample Receipt and Log-In
Sample Preparation, Storage, and Disposal
Miscellaneous
Density
Determination of Calcium Carbonate Equivalence
Gypsum Equivalent
Humic Acid Analysis
Moisture / Free Water Analysis in Fertilizer
Organic Matter Analysis
pH Analysis of Liquid Fertilizer Sample
Recent Publications
Research Publications
ACS Multilaboratory Collaborative Study
, Roland Carlson, 10-28-2021
Development of an Improved Method of Sample Extraction and Quantitation of Multi-Mycotoxin in Feed by LC-MS/MS
, Bahar Nakhjavan, Nighat Sami Ahmed and Maryam Khosravifard, Toxins,
2020
, 12, 462.
Optimization of a Multi-Residue Analysis of 65 Pesticides in Surface Water Using Solid Phase Extraction by LC-MS/MS
, Bahar Nakhjavan, Jason Bland and Maryam Khosravifard, Molecules,
2021
, 26, 6627.
Director
Natalie Krout-Greenberg
Inspection Services Division
View her biography
Methods & Recent Publications
CAC Clients
CAC Outreach and Engagement
Client Links
USDA – Pesticide Detection Program
Department of Pesticide Regulation
Water Resources Control Board
Fertilizer Inspection Advisory Board
AOAC - CAC sample analysis for the Association of Analytical Collaboration's (AOAC) Proficiency Testing program.
CA State Organic Program
Pest Detection and Emergency Projects
Citrus Pest Disease and Prevention
Integrated Pest Control
Pierce's Disease Control Program
Citrus Inspection Program
About Us
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Inspection & Compliance
Center for Analytical Chemistry
Feed, Fertilizer and Livestock Drug Regulatory Services
Office of Farm to Fork
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External Links
U. S. Department of Agriculture
U. S. Food and Drug Administration
CA Dept. of Pesticide Regulation
CA Dept. of Public Health
University of California - Davis
Western Institute for Food Safety and Security
Organic Fertilizer Association of California
