
ILT-U-3117
Determinations in fertilizers
DETERMINATION | METHOD |
| 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 |

