10.01 Determination of moisture 10.02 Determination of total ash. 10.03 Determination of calcium, copper, iron, magnesium, manganese, potassium, sodium and zinc - using Atomic Absorption Spectrometry 10.04 Determination of calcium – Precipitation method. 10.05 Determination of phosphorus – Precipitation method 10.06 Determination of phosphorus – Photometric method 10.07 Determination of available phosphorus 10.08 Determination of iron – Colorimetric method 10.09 Determination of copper– Colorimetric method 10.10 Determination of manganese– Colorimetric method 10.11 Determination of cobalt– Colorimetric method 10.12 Determination of zinc– Colorimetric method 10.13 Determination of fluorine – Distillation method. 10.14 Determination of fluorine - Ion selective electrode method 10.15 Determination of iodine - Titration method 10.16 Determination of iodine - Ion selective electrode method 10.17 Determination of sulphur