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KGM KYOTO ELECTRONICSMANUFACTURING CO.,LTD.KVX-01011enL网址: http://www.kem-china.com-K-M KYOTO ELECTRONICSMANUFACTURING CO.,LTD. Application Memo Factor Determination on Karl Fischer Reagents(with Pure water) Instrument Industry Inorganic chemicalKarl Fischer Moisture TitratorMeasurement method Volumetric titrationStandards GB/T 6283, JIS K 0113, JIS K 0068, JIS K 2275, ISO 760Japan Pharmacopoeia,13h ASTM E203, ASTM D 1533,ASTM D 1744 1. Overview Moisture determination by Karl Fischer(KF) method has been most popularly practiced inthe world because it is recognized as the most reliable method for the measurement of water.The KF method is adopted by plenty of international institutions including not only GB, ISO,ASTM, DIN, and BS but also JIS, JAS and Japan Pharmacopoeia. In KF measurement, it is necessary to determine the factor (or titer) of KF reagents usingstandard substances before actual measurements.The example in this application note showsthe factor determination with pure water. 2. Apparatus Main unit Karl Fischer moisture titration volumetric system Electrode Twin Platinum Electrode 3. Reagents Titrant: Composite 5 (made by RdH) Solvent: Dehydrating solvent ML (made by Hayashi) 4. Example —Measurement results- Run Size Wt1-Wt2 (g) Vol. (mL) Factor (mg/mL) Statistics 123 0.0290 0.0298 0.0302 6.210 6.360 6.395 4.6699 4.6855 4.7224 MeanSD RSD 4.6926 mg/mL0.0270 mg/mL0.5745% Please feel free to contact us for any further information.
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可睦电子(上海)商贸有限公司-日本京都电子(KEM)为您提供《卡尔费休试剂中标定检测方案(卡氏水分测定)》,该方案主要用于其他中其他检测,参考标准《暂无》,《卡尔费休试剂中标定检测方案(卡氏水分测定)》用到的仪器有MKV-710S豪华型容量法卡尔费休水分仪、MKV-710B卡尔费休容量法水分测定仪。
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