sirinji kayan aikin gwaji ne na yau da kullun, ana amfani da shi don allurar samfura cikin na'urorin bincike kamar chromatographs da mass spectrometers. Sirinji yakan ƙunshi allura da sirinji. Ana iya zaɓar allura a cikin siffofi daban-daban da ƙayyadaddun bayanai don dacewa da samfurori daban-daban da bukatun gwaji.