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CBPL methods do not include proprietary information such as ASTM Standards.
31-01
Mineral or Chemical Fertilizer, Nitrogenous (AOAC 2.041)
31-02
Gravimetric Quinolinium Molybdophosphate Method (AOAC 2.042)
31-01
Nitrogen (Ammoniacal and Nitrate) in Fertilizers (AOAC 892.01)
31-02
Phosphorous (Total) in Fertilizers by Gravimetric Quinolinium Molybdophosphate Method (AOAC 962.02)
