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Standards Under Review

Essential oils – General guidance on chromatographic profiles – Part 2: Utilization of chromatographic profiles of samples of essential oils - NL ISO 11024-2:2017


Aromatic extracts, flavouring and perfuming compounds – Determination of ethanol content – Gas chromatographic method on packed and capillary columns - NL ISO 17494:2017


Essential oils – Determination of peroxide value - NL ISO 18321 :2017


Essential oils – Characterization - NL ISO/TR 21092:2017


Petroleum and related products – Temperature and pressure volume correction factors (petroleum measurement tables)and standard reference conditions - NL ISO 91:2017


Petroleum measurement systems – Calibration – Temperature corrections for use when calibrating volumetric proving tanks - NL ISO 8222: 2017