Determination of certain substances in electrotechnical products. Part 5. Cadmium, lead and chromium in polymers and electronics and cadmium and lead in metals by AAS, AFS, ICP-OES and ICP-MS
State system for ensuring the traceability of measurements. Nondespersive infrared (NDIR) gas analyzers for determination of carbon monoxide in the vapour phase of cigarette smoke. The method of verification