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Soil Nitrate & Nitrite Test Strips

SKU: 33817-NN

$19.95USD or lower Each

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Measure nitrate and nitrite levels in soil samples from your garden, lawn or farm with Indigo® Nitrite-Nitrate test strips. Useful also in runoff monitoring, and environmental science teaching.

Nitrate-nitrite test strips can be used to assess soil fertility and nutrient cycling by measuring dissolved nitrate and nitrite in soil extracts. These ions are key indicators of fertilizer application efficiency, nitrogen uptake, and potential leaching into groundwater. Quick and inexpensive, Indigo® Nitrite-Nitrate test strips provide valuable insights for gardeners, lawn care professionals & farmers seeking to complements their green thumbs.

Details Specs Docs Reviews
Details
Discipline Learning Outcomes / Key Features
Agronomy Apply nitrate/nitrite testing to assess fertilizer use efficiency and soil fertility management.
Environmental Science Link soil nitrate levels to groundwater contamination, eutrophication, and sustainability issues.
Chemistry Understand the chemical principles of nitrate reduction and its detection using test strips.
Education Use soil extract testing as a hands-on experiment for teaching nutrient cycling and pollution impacts.

Tips for Best Results

  • Always test a soil-water extract, not raw soil. A common method is shaking 10 g of soil with 50 mL distilled water, then filtering or allowing to settle.
  • Take samples from several locations for a representative reading.
  • Compare readings across treated vs. untreated plots to study fertilizer effects.
  • Use results as a screening tool, then confirm with lab-based soil tests if precise values are required.
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Specifications
  • Nitrate is measured in increments of 10, 25, 50, 100, 250, & 500ppm
  • Nitrite is measured in increments of 1, 5, 10, & 25ppm
  • The number of strips (50) per vial is approximate.
  • These strips are extremely sensitive to airborne humidity. Reseal the desiccant lined bottle immediately after removing a strip to ensure 3 year shelf life.
Documentation

Test Strip Documentation
Stability Statement Certificate of Analysis SDS
Indigo Nitrite Test Strips 25ppm Nitrate 500ppm Stability Statement Indigo Nitrite Test Strips 25ppm Nitrate 500ppm Certificate of Analysis Indigo Nitrite Test Strips 25ppm Nitrate 500ppm SDS
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