Photography. Processing waste. Determination of ammoniacal nitrogen (microdiffusion method) Ingestion-build-156411 and a wide range of

and a wide range of stakeholders and the public at large

Wood preservative solutions containing bis(tri-n-butyltin) oxide are usually formulated with technical grade material containing at least 95 % bis(tri-n-butyltin) oxide

ISBN 0 580 23406 1

ISO 3451-4 and ISO 3451-5

Photography. Processing waste. Determination of ammoniacal nitrogen (microdiffusion method) Ingestion-build-156411 and a wide range of1 Scope This International Standard specifies a method for the determination of ammonia and other volatile amines that can be liberated from photographic processing wastes by strong alkali, the results being expressed in terms of nitrogen. The method is applicable for the determination of the ammonia concentration of typical photoprocessing wastes in the range of 10 mg l to 200 mg l of ammonia or 8 mg l to 160 mg l of nitrogen. Other volatile amines