Leather. Chemical tests. Determination of the preservative (TCMTB, PCMC, OPP, OIT) content in leather by liquid chromatography
Leather. Chemical tests. Determination of the preservative (TCMTB, PCMC, OPP, OIT) content in leather by liquid chromatography
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1 Scope This International Standard specifies a test method for the determination of the content of the following preservative agents:
— 2-(thiocyanomethylthio)-benzothiazole (TCMTB);
— 4-chloro-3-methylphenol (PCMC);
— 2-phenylphenol (OPP);
— 2-octylisothiazol-3(2H)-one (OIT);
in leather by liquid chromatography. Preservative agents are necessary to protect leather from microbiological attack.
NOTE The preservative agents 4-chloro-3-methylphenol (PCMC) and 2-phenylphenol (OPP) can also be determined according to ISO 17070 and quantified by means of gas chromatography/mass spectroscopy (GC/MS).
Упомянутые в описании и другие стандарты BS