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ILT-U-3117

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ILT-U-3117

Determinations in fertilizers

DETERMINATION

METHOD

Ca & MgAOAC (Titration)
Ca, Zn, Fe, Mg, Mn & CuAOAC (Atomic absorption)
Potassium as K2OAOAC (Photometry flame photometer)
Phosphorus as P2O5 AOAC (Spectrophotometry, UV/VIS)
Determination of total NKjeldahl method
MolybdenumASTM D3372-02
BoronAtomic absorption
SulfateGravimetric
pHASTM D6764-02
Electrical conductivityASTM D1125-95
Density –
MoistureAOAC