Fertilizers - Extraction of phosphorus soluble in 2 % citric acid
Fertilizers - Extraction of soluble phosphorus according to Petermann at 65 °C
Fertilizers - Extraction of soluble phosphorus according to Petermann at ambient temperature
Fertilizers - Extraction of phosphorus soluble in Joulie's alcaline ammonium citrate
Fertilizers - Determination of the fineness of grinding of soft natural phosphates
Fertilizers - Extraction of total sulfur present in various forms
Fertilizers - Extraction of water soluble sulfur where the sulfur is in various forms
Fertilizers - Determination of the fineness of grinding (dry procedure)
Fibres - Elasticity of fibres - Test methods
Soil, waste, treated biowaste and sludge - Determination of loss on ignition
Soil, waste, treated biowaste and sludge - Determination of total organic carbon (TOC) by dry combustion
Hardware for furniture - Strength and loading capacity of wall attachment devices
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