ISO 18068:2014
Cotton fibres — Test method for sugar content — Spectrophotometry
Cotton fibres — Test method for sugar content — Spectrophotometry
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 5
- Дата публикации:
- 24 июля 2014 г.
- Издание:
- ISO IS 18068 edition 1 version 1
- ICS:
- 59.060.10
ISO 18068:2014 specifies a test method to determine the total sugar content in cotton fibres. Spectrophotometry is used as a quantitative determination method, and 3,5-dihydroxytoluene-sulfuric acid solution is used as a colour developer. ISO 18068:2014 is applicable to cotton fibres.
Abstract
Overview - ISO 18068:2014 (Cotton fibres - Sugar content - Spectrophotometry)
ISO 18068:2014 specifies a laboratory test method to determine the in cotton fibres using . The method quantifies sugars (reducing and non‑reducing) after extraction with a non‑ionic surfactant and chemical degradation to furfural derivatives. A reagent acts as the colour developer to form an orange‑yellow complex measured at . The standard is applicable to cotton fibres and provides procedures for sampling, reagents, apparatus, calibration and result reporting.
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