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: [[Flame Test]]s, [[Gas Tests]], [[Testing for Aqueous Ions|aqueous ion tests]] testing for [[Testing for Lipids|lipids]], [[Benedict's Test|glucose]], [[Iodine Solution|starch]] and [[Biuret Solution|proteins]] all rely on humans observing a [[Chemical Reaction|reaction]] which can be flawed because humans make mistakes.
: '''Instrumental Chemical Analysis''' does not rely on humans to make [[observation]]s. Instead the [[Measuring Instrument|instrument]]s are used to give more [[accurate]] and [[precise]] [[observation]]s. They are also often much quicker than a human could do it.
: Such '''instrumental chemical analysis''' is performed in [[airport]]s airports when testing for [[drug]]s or [[explosive]]s, in [[hospital]] when testing for [[disease]]s.
: [[Flame Emission Spectroscopy]] is an example of '''instrumental chemical analysis'''.