Abstract: Modern express methods of analytical control are widely used for monitoring the quality of oxide materials. However, the possibilities of these methods are currently limited by the lack of versatile homogeneous reference materials (RMs). Such RMs can be produced most effectively by vitrification methods. In this connection, glassy RMs based on bismuthborate systems are of great interest. In the earlier research, bismuth-borate RMs were used for comparison purposes in determining the composition of complex oxide systems using the X-ray fluoresce...
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