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

Overview ISO 6851:2001 - Photography - Processing waste - Determination of total amino nitrogen (microdiffusion Kjeldahl method) defines a standardized analytical procedure for measuring total organi…

Analysis of soaps — Determination of total alkali content and total fatty matter content

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

1 Scope 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 Kjelda…