GB/T 22661.5-2008 《Chemical analysis methods of potassium fluoborade - Part 5: Determiantion of calcium content - Flame atomic absorption spectrometric method》 Related products

This standard applies to the determination of calcium content in potassium fluoroBoricacid by flame atomic absorption spectroscopy (AAS) with a determination range of not more than 0.5%. Methods Treat the sample with perchloric acid and determine the calcium content at a wavelength of 422.7 nm under air-acetylene flame conditions. The standard includes detailed reagent preparation, equipment configuration and operation procedures to ensure the accuracy and precision of the determination.