Application of the High Frequency Titration. I : Rapid Determination of Lime in Basic Slags
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A high-frequency titrimeter that measures plate current changes during the titration was constructed. The instrument was made of the blocking oscillation circuit of Colpitts type with UN-955 push-pull. The lime in slag solutions was determined rapidly by the direct titration with standard ammonium oxalate solution without filtering and washing of precipitations of SiO_2, Fe(OH)_3 etc. The suitable conditions of the pH or the titration mediums for the titration were also studied.
- 東北大学の論文
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