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Related Concept Videos

Testing Water Quality01:14

Testing Water Quality

195
When the quality of water for concrete preparation is uncertain, its impact on the setting time of cement and compressive strength of mortar is assessed by comparison with de-ionized or distilled water benchmarks. American Society for Testing and Materials (ASTM) C1602 requires the setting times to be within 90 minutes of the control, British Standard (BS) 3146:1980 allows a 30-minute variance in the initial setting, while British Standards European Norm (BS EN) 1008 specifies initial setting...
195

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Development of New Methods for Quantifying Fish Density Using Underwater Stereo-video Tools
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Portable open-source autosampler for shallow waters.

Matheus C Carvalho1

  • 1Centre for Coastal Biogeochemistry Research, School of Environment, Science and Engineering. Southern Cross University, PO box 157, Lismore 2480, NSW, Australia.

Hardwarex
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PubMed
Summary
This summary is machine-generated.

An open-source automated water sampler was developed using a gantry robot and syringe pump. This affordable system effectively collects samples, showing rain dilutes total organic carbon in creek water.

Keywords:
3D printingAndroid, ArduinoAutosamplerField samplingLiquid handlingMacrodroid, MarlinOpenSCADStable isotopesSyringeWater sampling

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Area of Science:

  • Environmental Science
  • Engineering
  • Chemistry

Background:

  • Automated water sampling is crucial for environmental monitoring.
  • Existing open-source automated water samplers are limited, hindering accessibility.

Purpose of the Study:

  • To present a novel, open-source automated water sampler design.
  • To demonstrate its functionality in real-world environmental conditions.

Main Methods:

  • A gantry robot system was designed to transfer water from a syringe pump to 24 vials.
  • Control was achieved via an Android tablet using Macrodroid automation.
  • Three rinsing cycles were implemented to minimize sample carryover.

Main Results:

  • The autosampler successfully collected hourly water samples from a creek.
  • Analysis indicated that rainfall diluted total organic carbon concentrations.
  • Negligible carryover was confirmed through rinsing cycles.

Conclusions:

  • The developed open-source autosampler offers a viable, low-cost solution for automated water sampling.
  • Its modular design allows for future modifications and expanded applications.
  • The system effectively monitored environmental changes, such as rainfall impact on water quality.