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Subject: 700 plates per metre The test is not valid unless the column efficiency, determined using the chloroform peak in the chromatogram obtained with solution (1), is greater than 700 plates per metre and the total number of plates is greater than 2,500.
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| зд. plate- теоретические тарелки - по ним меряют эффективност колонки. т.е. 700 теоретических тарелок на метр. |
| спасибо |
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