Microfluidic samples preparation for online liquid analysis with chemical reaction
It is possible to combine our products into more complicated automated systems.
Here, an SPM, an RVM and a custom mixing module are used together to prepare samples for online liquid analysis (with chemical reaction). Several parameters can be measured with this setup, without changing the hardware in any way.
This example measures different parameters in drinking or waste water, such as chlorine, orthophosphate and ammonium. A light source, flow cell, spectrometer and optical fibers are used to allow for a colorimetric analysis.
It is required to follow closely the evolution of many parameters in water, so as to reduce the risk of people getting sick. Both drinking and used water are monitored. Below you can find a series of measured parameters depending on the water type.
Wastewater
Drinking water
Requirement component:
In this setup, we measure different drinking water parameters. These are orthophosphate, chlorine and ammonium. It is of course possible to measure other parameters, depending on the reagents that are connected to the system. One must simply check the chemical compatibility between the reagents.
DPD (=> 2 reagents)
Measurable concentrations 0.02 – 2 mg/L
Sample size 150 ul
Reagent quantity 2.3 ul Reagent A 2.3 ul Reagent B
Molybdovanate
Measurable concentrations: 0.4 – 45 mg/L
Sample size: 100 ul
Reagent quantity: 5 ul
Nessler reagent (NR) Mineral stabiliser (MS) Polyvinyl alcohol (PA)
Measurable concentrations 0.02 – 2.5 mg/L
Sample size 350 ul
Reagent quantity 14 ul NR 1.6 ul MS 1.6 ul PA
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