The successive determination of chloride, fluoride and sodium in single samples of orthophosphate minerals by means of ion-sensitive electrodes |
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| Authors: | Duff E J Stuart J L |
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| Institution: | Department of Preventive Dentistry, Turner Dental School, The University, Manchester M15 6FH, England. |
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| Abstract: | A buffer system composed of perchloric acid, citric acid and triethanolamine has been used for the successive determination of chloride, fluoride and sodium in a single sample of an orthophosphate mineral. The conventional sodium-sensitive glass electrode compares favourably with the more expensive Orion sodium-sensitive electrode. |
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