934111

ISO 6851:2001

Photography - Processing waste - Determination of total amino nitrogen (microdiffusion Kjeldahl method)

standard by International Organization for Standardization , 12/15/2001

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Full Description

This International Standard specifies a method for the determination of the total organic nitrogen, as well as any ammoniacal nitrogen, present in photographic processing wastes by the Kjeldahl method.

Total Kjeldahl nitrogen can be determined in photographic processing wastes in the range of 10 mg/l to 200 mg/l as ammonia, or in the range of 8 mg/l to 160 mg/l in terms of nitrogen. If ammoniacal nitrogen (see ISO 6853) is determined separately and subtracted, the concentration of organic amino nitrogen can be established.

 

Product Details

Published:
12/15/2001
Number of Pages:
10
File Size:
1 file , 94 KB
Same As:
BS ISO 6851:2001, BS ISO 6851:2001
Note:
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