Fruit and vegetable products -- Determination of zinc content-- Part 3: Dithizone spectrometric method
Vigente
Idioma: Inglés
Formato: Visualización con Impresión
$75.684
Thermal insulation -- Qualitative detection of thermal irregularities in building envelopes -- Infrared method
No Vigente
Idioma: Inglés
Formato: Visualización con Impresión
$112.812
Fertilizers -- Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide -- Titrimetric method