BH GSO ISO 18917:2016 摄影 冲洗加工的照相材料中残留硫代硫酸盐和其他相关化学物质的测定 碘 直链淀粉、亚甲蓝和硫化银方法
Photography -- Determination of residual thiosulfate and other related chemicals in processed photographic materials -- Methods using iodine-amylose, methylene blue and silver sulfide