DIN EN ISO 10519/A1 E:2023 油菜籽 叶绿素含量测定 光谱法 修订 1：准备校准曲线以确定 k 因子（ISO 10519:2015/DAM 1:2023） 草案
Draft Document - Rapeseed - Determination of chlorophyll content - Spectrometric method - Amendment 1: Preparation of the calibration curve to determine the k factor (ISO 10519:2015/DAM 1:2023); German and English version EN ISO 10519:2015/prA1:2023