title: Interference by tubing material in continuous-flow systems.
abstract: An anomalous behavior in the measurement of calcium with the smac multi-channel high-speed analyzer was eliminated by taking the diluted serum directly from the dilution loop of the instrument before it enters the stainless-steel riser.
mesh_terms: D001322:Autoanalysis / Q000295:instrumentation / Q000379:methods; D002118:Calcium / Q000097:blood*; D004492:Edetic Acid; D005069:Evaluation Studies as Topic; D006801:Humans
chemical_list: D004492:Edetic Acid; D002118:Calcium