Sobesedilo: ker določanje metod vzorčenja, laboratorijske priprave, kvalitativno in kvantitativno določanje prostega natrijevega hidroksida in prostega kalijevega hidroksida, kvalitativno in kvantitativno določanje oksalne kisline in njenih alkalijskih soli v izdelkih za nego las, kvantitativno določanje kloroforma v zobnih kremah in cinka ter kvalitativno in kvantitativno določanje fenolsulfonske kisline pomenijo prvi korak v tej smeri;

Sobesedilo: whereas the laying down of methods for the sampling, laboratory preparation, identification and determination of free sodium and potassium hydroxides, the identification and determination of oxalic acid and alkaline salts thereof in hair care products, the determination of chloroform in toothpastes and of zinc, and the identification and determination of phenolsulfonic acid constitutes a first step in this direction;