वर्णलेखन
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(aangrezi:Chromatography) rasayan vijnan mean varnalekhan vidhi is tathy par adharit hai ki kisi mishran ke vibhinn ghatakoan ki avashoshan kshamata bhinn-bhinn hoti hai tatha ve kisi adhishoshak padarth mean vibhinn dooriyoan par avashoshit hote haian, is prakar ve prithak kar liye jate haian.
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