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What is Lead and Cadmium QC Chart Analysis about?
This quality control chart monitors the recovery of lead (Pb) in laboratory fortified blank (LFB) samples at a concentration of 0.10 mg/L using inductively coupled plasma-optical emission spectrometry (ICP-OES). It shows the results of 33 LFB samples tested between November 2018 and April 2019, with a mean recovery of 0.0981 mg/L. Control limits for the LFB recovery are established as the upper warning limit (UWL) of 0.1077 mg/L, lower warning limit (LWL) of 0.0886 mg/L, upper control limit (UCL) of 0.1125
- Author
- Consultant Jerocas
- Language
- EN