GB/T 4325.21-2013 Methods for chemical analysis of molybdenum.Part 21:Determination of carbon content and sulfur content.High frequency combustion-infrared absorption method has been changed from GB/T 4325.23-1984 Methods for chemical analysis of molybdenum--The combustion-conductometric titration method for the determination of sulphur content.
GB/T 4325.21-2013 Methods for chemical analysis of molybdenum.Part 21:Determination of carbon content and sulfur content.High frequency combustion-infrared absorption method has been changed from GB/T 4325.27-1984 Methods for chemical analysis of molybdenum--The combustion-coulometric titration method for the determination of carbon content.
GB/T 4325.21-2013 Methods for chemical analysis of molybdenum.Part 21:Determination of carbon content and sulfur content.High frequency combustion-infrared absorption method was changed to ABNT NBR 14205-2011 Stationary lead-acid battery regulated by a valve - Test method.
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