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Sources of error in lab experiments and laboratory tests | Felixtrument

One of the major research aspects of laboratory science is physical and chemical testing; and its test findings are the primary scientific basis for assessing product quality. Physical and chemical laboratory experiments include three primary sources of error : systematic error, random error and human error. These sources of errors in lab should be studied well before any further action. The reliability of physical and chemical testing has been significantly impaired; by equipment, samples, instruments, lab environment, reagents, operating procedures and other factors; leading to many errors in physical and chemical testing. Systematic error applies to repeated measuring of the same object under repeated conditions of measurement. The amount of the error value is either positive or negative; which is called the fixed system error in laboratory experiments and laboratory tests. Or the error changes show a certain law; which is also called the variable system error, as the measurement conditions varies.
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Sources of error in lab experiments and laboratory tests

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