Topic: Uses of Spinel
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Why do you use Spinel for prism material?
Because the K-Patents Process Refractometer is an in-line instrument, the prism has to be harder than anything that moves in the process pipe. Spinel has a cubic crystal structure and thus very good optical properties, the R.I. is the same ... Read More »
Source: http://www.kpatents.com/faq.php