This standard specifies the method for the determination of niobium content in tantalum. This standard applies to the determination of the content of niobium in tantalum, and also to the determination of the content of niobium in its hydroxide and carbide. Measuring range: 0.001% to 1.5%.
GB/T 15076.2-1994 history
2019GB/T 15076.2-2019 Methods for chemical analysis of tantalum and niobium—Part 2:Determination of niobium content in tantalum—Inductively coupled plasma atomic emission spectrometry and stratography gravimetry
1994GB/T 15076.2-1994 Methods for chemical analysis of tantalum and niobium-Determination of niobium content in tantalum