GB/T 7731.7-2008
ActiveFerrotungsten - Determination of tin content - Phenylfluorone photometric method and inductively coupled plasma-atomic emission spectrometry
钨铁 锡含量的测定 苯基荧光酮光度法和电感耦合等离子体原子发射光谱法
Application Summary AI generated
This standard specifies two methods for determining tin content in ferrotungsten: the phenylfluorone photometric method and inductively coupled plasma-atomic emission spectrometry (ICP-AES). It is applied in the metallurgical industry for quality control and chemical analysis of ferrotungsten, a key additive in high-speed steel and specialty alloy production. The standard ensures accurate tin measurement, which is critical because excessive tin can embrittle the final alloy.
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