BH GSO ISO 18917:2016 攝影 沖洗加工的照相材料中殘留硫代硫酸鹽和其他相關化學物質的測定 碘 直鏈淀粉、亞甲藍和硫化銀方法
Photography -- Determination of residual thiosulfate and other related chemicals in processed photographic materials -- Methods using iodine-amylose, methylene blue and silver sulfide