Dear Sir/Madam<br><br>I am a research scholar in Delhi College of Engineering in New Delhi, India. I am currently facing a minor problem in my research. I would be very delighted if you could kindly help.<br><br>The problem is that how do I find out the mass percentage of impurities i.e., iron and silicon in a sample of silicon, possibly avoiding the use any sophisticated methods to some degree of precision.<br><br>I will be looking forward to your help with eagerness.<br><br>with regards<br>Sadullah Ibrahimi
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test for Si & Fe in an Al sample, avoiding sophisticated methods
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