Flame test loop Nichrome wire حلقة اختبار اللهب سلك نيكروم R

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Flame test loop

Nichrome wire 

Microbiologists use inoculating loops to transfer microorganisms to growth media. It is easy to sterilize and reuse because nichrome wire resists deterioration with repeated heat/cooling cycles.

Flame sterilization is a very simple method of killing microorganisms on an inoculating loop. Hold the wire loop end inside an alcohol burner or bunsen burner flame for a few seconds to bring it to redness and then remove for 15-30 seconds to cool. When cooled, it is ready for culture inoculations.