
ILT-U-3117
Determinations in fertilizers
Ca & Mg AOAC (Titration) Ca, Zn, Fe, Mg, Mn & Cu AOAC (Atomic absorption) Potassium as K 2 O AOAC (Photometry flame photometer) Phosphorus as P 2 O 5 AOAC (Spectrophotometry, UV/VIS) Determination of total N Kjeldahl method Molybdenum ASTM D3372-02 Boron Atomic absorption Sulfate Gravimetric pH ASTM D6764-02 Electrical conductivity ASTM D1125-95 Density – Moisture AOAC

