Reference number
ISO 4731:1978
ISO 4731:1978
© ISO 2024
ISO 4731:1978
Oil of geranium
Edition 1
1978-12
1978-12
Retirada
Resumen
The Standard specifies certain characteristics of the oil. Descriptions and permissible values are given of aspect, colour, odour, relative density at 20/20 °C, refractive index at 20 °C, optical rotation at 20 °C, miscibility with 70 % (V/V) ethanol at 20 °C, acid value, ester value, ester value after acetylation, carbonyl value, and apparent citronellol (rhodinol) content. Most of the values differ dependent on the country of origin (Bourbon, Algeria, Morocco, India, Kenya, Egypt, U.S.S.R.).
Ciclo de vida
-
Ahora
-
Revisada por
RetiradaISO 4731:2006