Common Quality Control Methods in Laboratories

Common Quality Control Activities in Laboratories10 Common Quality Control Methods

Quality control activities are divided into internal quality control and external quality control.

3 Types of External Quality Control Methods

① Capability Verification

② Measurement Audit

③ Inter-laboratory Comparison

7 Internal Quality Control Methods

① Standard Material Verification

② Blind Sample Testing

③ Marked Determination of Recovery Rate

④ Internal Comparison (Personnel Comparison, Equipment Comparison, Method Comparison)

⑤ Retest Sample

⑥ Establish Quality Control Charts

Analysis of the correlation between test results of items with different characteristics