Matching Pairs Types of Noise Memory GameOnline version Match pairs of cards about different types of noise in chemical measurements. by Heather Holmes 1 Thermal noise can be improved by 2 Shot noise is caused by 3 Instrumental Noise 4 Thermal noise is caused by 5 Chemical Noise 6 Flicker Noise 7 The magnitude of thermal noise can be determined using 8 The magnitude of shot noise can be determined using 9 An example of flicker noise is is significant when the measurement frequency is less than 100 - 200 Hz. is unrelated to the sample or analyte. baseline drift. inconsistent current in electronic components - electrons flow in "bursts". random motion of charges in electronic circuits, due to temperature. cooling the detector or other electrical components. results from the sample, but is not the signal we want to measure.