Online sample diluting experiment device
A dilution test, sample technology, applied in the field of analytical chemistry, can solve the problems of sample concentration change, irregular operation, troublesome operation, etc., and achieve the effect of reducing concentration, improving accuracy and convenient operation
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[0030] Example
[0031] Syringe pump II 4 carries the sample into the three-way mixer 7 through the sample filter 6, while the syringe pump I 3 enters the pure water into the three-way mixer 7 through the electric two-position three-way valve 5. The pure water and the sample are in the three-way mixer 7 Mix and perform sample dilution. The diluted sample enters the chromatographic system 10 through the electric two-position four-way valve 8 and the electric two-position six-way valve 9 for sample analysis.
[0032] The above-mentioned injection pump Ⅰ3, injection pump Ⅱ4, electric two-position three-way valve 5, electric two-position four-way valve 8, and electric two-position six-way valve 9 are all controlled by the keyboard 13 of the controller 11 to complete operations to realize online dilution.
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