Photography. Processing chemicals. Specifications for p-methylaminophenol sulfate Ingestion-build-48974 which are covered in BS

which are covered in BS EN 61010-1

This helps you in determining the manganese content using the flame atomic absorption spectrometric method (FAAS) for copper and copper alloys

and O2 measurement

BS EN 60749-31 is an international standard that focuses on mechanical and climatic test methods for semiconductor devices

Photography. Processing chemicals. Specifications for p-methylaminophenol sulfate Ingestion-build-48974 which are covered in BS1 Scope This International Standard establishes criteria for the purity of photographic grade p methylaminophenol sulfate and specifies the test methods to be used to determine the purity.