1 Prezentul standard stabile?te metoda speetrofotometric? de determinare a concentra?iei ?n?lbitorilor optici solubili ?n ap?, precum ?i a celor insolubili ?n ap?, utiliza?i ?n industria textil?, industria chimic? ?i a h?rtiei.
2 Eeactivii folosi?
STAS 9464-1981 history
1981STAS 9464-1981 Organic dyestufis OPTICAL BLEACHING AGENT Determination of concentration by the spectrophotometry method