Standards ČSN - Czech national standards - Page 5728

Fertilizers - Determination of chelating agents - Determination of iron chelated by o,p-EDDHA by reversed phase HPLC

WITHDRAWN published on 1.6.2007

Fertilizers - Determination of complexed micro-nutrient ions in fertilizers - Identification of lignosulfonates

Standard published on 1.12.2012

Fertilizers - Determination of complexed micro-nutrient ions in fertilizers - Identification of lignosulfonates

WITHDRAWN published on 1.5.2012

Fertilizers - Determination of 3,4-dimethyl-1H-pyrazole phosphate (DMPP) - Method using high-performance liquid chromatography (HPLC)

Standard published on 1.6.2013

Fertilizers - Determination of N-(n-Butyl)thiophosphoric acid triamide (NBPT) and N-(n-Propyl)thiophosphoric acid triamide (NPPT) - Method using high-performance liquid chromatography (HPLC)

Standard published on 1.1.2016

Fertilizers - Determination of molybdenum in concentrations > 10 % using a gravimetric method with 8- hydroxyquinoline

Standard published on 1.12.2017

Fertilizers and raw materials for their manufacture. Determination of foreign elements by the AAS method

WITHDRAWN published on 1.9.1993

Fluid fertilizers - De-aeration of suspension samples by film disentrainment

Standard published on 1.9.2001

Kapalná hnojiva - Odvzdušnění vzorků suspenzí pomocí filmu (Norma k přímému použití jako ČSN).

WITHDRAWN published on 1.2.2000

Fluid fertilizers - Preliminary visual examination and preparation of samples for physical testing

Standard published on 1.9.2001