ISO 4731:2012 PDF
Essential oil of geranium (Pelargonium x ssp.)
Essential oil of geranium (Pelargonium x ssp.)
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 9
- Дата публикации:
- 13 декабря 2012 г.
- Издание:
- ISO IS 4731 edition 3 version 1
- ICS:
- 71.100.60
ISO 4731:2012 specifies certain characteristics of essential oil of geranium (Pelargonium × spp.) coming from different Pelargonium species commonly known as Pelargonium graveolens, in order to facilitate assessment of its quality.
Abstract
Overview
ISO 4731:2012 - "Essential oil of geranium (Pelargonium × ssp.)" - is an international standard that specifies characteristic properties and quality criteria for geranium essential oil (commonly from Pelargonium graveolens ecotypes). The purpose is to provide a reproducible basis for assessing geranium essential oil quality across different geographical origins (North Africa, China, Bourbon/Reunion, Madagascar).
Key topics and requirements
- Appearance & odour: Clear, mobile liquid; rose‑like aroma with a varying minty note. Colour ranges from amber‑yellow to greenish‑yellow (Bourbon type often yellowish‑green to brownish‑green).
- Physical constants:
- Relative density (20 °C): ~0.882–0.905 depending on origin.
- Refractive index (20 °C): ~1.460–1.475 depending on origin.
- Optical rotation (20 °C): approx. −17° to −7° (origin dependent).
- Acid value: specified as
Технические детали
- Технический комитет
- ISO/TC 54 - Essential oils
- SKU
- ISO 4731:2012
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