BS ISO 6849-1997 摄影技术.冲洗废液.硼的测定

标准号：BS ISO 6849-1997
中文标准名称：摄影技术.冲洗废液.硼的测定
英文标准名称：Photography - Processing wastes - Determination of boron
标准类型：A15
发布日期：1997/3/15 12:00:00
实施日期：1997/3/15 12:00:00
中国标准分类号：A15
国际标准分类号：13.060.30;13.060.50
适用范围：Gives two methods for the determination of boron in photographic processing wastes. The first method is the estimation of borates by titration of the boric acid-mannitol complex. Suitable for boron concentrations of 0, 1 mg/l and higher. The second alternative method is a spectrophotometric technique using methylene blue which can be used in the concentration range of 0, 1 mg/l to 1, 0 mg/l.