On-site automatic analysis method and instrument for inorganic arsenic form and phosphorus content in underground water
An automatic analysis, inorganic arsenic technology, applied in the direction of instruments, scientific instruments, analytical materials, etc., can solve the problems of complex manual operation, influence, and rapid analysis on site, and achieve the effect of improving stability
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[0036] The present invention will be further described below through specific embodiments. Amounts and the like not described in the examples can be conventionally selected by those skilled in the art.
[0037] The invention is used to establish working curves of trivalent arsenic, pentavalent arsenic and phosphate.
[0038] see figure 1 The on-site automatic analysis instrument for the form of inorganic arsenic and phosphorus content in groundwater described in the embodiment of the present invention is composed of a sampling module, a reaction module and a detection module connected in sequence, wherein the sampling module is composed of a syringe pump or a peristaltic pump; the reaction module includes the first A reaction device and a second reaction device, the first reaction device and the second reaction device are chambers made of polytetrafluoroethylene with a volume of 1 mL; the detection module is composed of a light source, a flow cell, and a detector connected in...
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