SN EN ISO 6647-1:2021 大米 直链淀粉含量的测定 第1部分:采用甲醇脱脂程序和马铃薯直链淀粉和糯米支链淀粉校准溶液的分光光度法(ISO 6647-1:2020)
Rice - Determination of amylose content - Part 1: Spectrophotometric method with a defatting procedure by methanol and with calibration solutions of potato amylose and waxy rice amylopectin (ISO 6647-1:2020)