ISO 6851-1987 标准详情
- 标准号:ISO 6851-1987
- 中文标题:摄影技术.冲洗废液.氨型氮总含量的测定.克氏烧瓶扩散法
- 英文标题:photography-processing waste-determination of total amino nitrogen-microdiffusion kjeldahl method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1987-12-01
Describes a method for determining the total organic nitrogen and any ammoniacal nitrogen present in photographic processing waste. This amino nitrogen is converted to ammonia which is subsequently determined by absorption into boric acid in a microd
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