Photography. Processing chemicals. Specifications for p-methylaminophenol sulfate Ingestion-build-48974 BS EN 60749-31 is an

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

“Corrosion” and “delamination” was changed to “corroded area” and “delaminated area”

The conditions of this test (for example amount of inoculum and substrate in the test bottles) were adopted to a defined test period over several days

Qualitative design review (QDR): the scope and objectives of the fire safety design are defined

Photography. Processing chemicals. Specifications for p-methylaminophenol sulfate Ingestion-build-48974 BS EN 60749-31 is an1 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.