GB/T 30448-2013 Nanoscale iron powder

GB/T 223.7-2002 Iron powder—Determination of iron content—Potassium dichromate titration method GB/T 223.75-1991 Methods for chemical analysis of iron, steel and alloy—The methanol distillation-curcumin photometric method for the determination of boron content GB/T 223.75-2008 Iron,steel and alloy—Determination of boron content—Methanol distillation-curcumin photometric method GB/T 4164-2002 Metallic powders—Determination of hydrogen-reducible oxygen content GB/T 4164-2008 Metallic powders—Determination of hydrogen reducible oxygen content GB/T 5314-1985 Powders for powder metallurgical purposes—Sampling GB/T 5314-2011 Powders for powder metallurgical purposes—Sampling GB/T 13221-2004 Nanometer powder—Determination of particle size distribution—Small angle X-ray scattering method GB/T 13390-1992 Metallic powder—Determination of the specific surface area—Method of nitrogen adsorption GB/T 13390-2008 Metallic powder—Determination of the specific surface area—Method of nitrogen adsorption GB/T 19619-2004 Terminology for nanomaterials GB/T 20123-2006 Steel and iron—Determination of total carbon and sulfur content Infrared absorption method after combustion in an induction furnace (routine method) GB/T 24585-2009 Ferronickel—Determination of phosphorus,manganese,chromium,copper,cobalt and silicon contents—Inductively coupled plasma atomic emission spectrometric method