ISO/DIS 5132
u
ISO/DIS 5132
80888
No disponible en español

Estado : En desarrollo

es
Formato Idioma
std 1 63 PDF
std 2 63 Papel
  • CHF63
Convertir Franco suizo (CHF) a tu moneda

Resumen

This method can be used to quantify propyl gallate (PG), octyl gallate (OG), dodecyl gallate (also called lauryl gallate) (LG), 2,4,5-trihydroxybutyrophenone (THBP), tert-butylhydroquinone (TBHQ), nordihydroguai¬aretic acid (NDGA), 2- and 3-tert-butyl-4-hydroxyanisole (BHA), 2,6-di-tert-butyl-4-(hydroxymethyl)phenol (BHT Alcohol or Ionox-100), and/or 2,6-di-tert-butyl-4-hydroxytoluene (BHT) in oils, shortenings and animal fats at concentrations normally added to oils. The method can also be used be used to determine absence of these compounds from oils within the limitations of the test. Applicable to animal and vegetable fats, oils and shortenings. The sample is diluted in hexanes, antioxidants are extracted into acetonitrile, diluted with isopropanol and analyzed by reversed-phase gradient HPLC with UV detection at 280 nm.

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Informaciones generales

  •  : En desarrollo
    Puede contribuir al desarrollo del borrador de esta norma internacional. Para ello, contacte con su miembro nacional
    : Voto sobre el DIS iniciado: 12 semanas [40.20]
  •  : 1
     : 12
  • ISO/TC 34/SC 11
    67.200.10 
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