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| Ca & Mg | AOAC (Titration) |
| Ca, Zn, Fe, Mg, Mn & Cu | AOAC (Atomic absorption) |
| Potassium as K2O | AOAC (Photometry flame photometer) |
| Phosphorus as P2O5 | 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 |
Determinations in fertilizers
Description:
Ca & Mg AOAC, Ca, Zn, Fe, Mg, Mn & Cu, Potassium as K2O, Phosphorus as P2O5, Determination of total N, Molybdenum, Boron, Sulfate, pH, Electrical conductivity, Density, Moisture
Standard :
