Method for determining silicate and phosphate ions with ion chromatography post-column derivatization method
An ion chromatography column and silicate technology, applied in the field of ion chromatography post-column derivatization system, to achieve the effect of high separation ability, high detection limit and sensitivity, high application prospect and value
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[0028] The invention provides a method for determining silicate and phosphate ions by an ion chromatography post-column derivatization method. The system includes a sample injector 1, a six-way valve 2, an anion separation column 3, an infusion pump A4, an infusion pump B5, an infusion solution Pump C5, tee, derivation reaction tube 7, UV-Vis spectrophotometer 8, waste liquid bottle 9, sampler 1 is connected to six-way valve 2, and six-way valve 2 is connected to infusion pump A4 and anion separation column 3 respectively, The anion separation column 3 is connected with the three-way connection with the liquid pump B5 and the infusion pump C5 in turn, and the three-way connection is connected with the derivation reaction tube 7, the ultraviolet-visible spectrophotometer 8 and the waste liquid bottle 9 in turn.
[0029] The ion chromatographic post-column derivatization method is used to determine silicate and phosphate ions. After diluting the aqueous solution of the sample to ...
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