Soil Phosphate Test Kit

Soil Phosphate Test Kit

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Product ID: PTK-SSR

Measure Bioavailable Phosphate On-Site

These kits require the use of NECi’s Handheld Photometer, results are not colorimetric

Quick and Reliable Results, Easy to Use, Environmentally Benign

This reagent refill test kit will measure 0 ppm - 20 ppm Phosphate in soil and sediment samples to be analyzed with our handheld photometer.  If you do not yet have a handheld photometer, please view our introductory photometer package where you can complete the bundle with a test kit pack size of your choice. This method is based on the Methods X article published in April 2015, Determination of phosphate in soil extracts in the field: A green chemistry enzymatic method.  This method features small sample volumes, an enzymatic reaction, and green analytical chemistry.  


Phosphate Measurement in 5 Easy Steps:

  1. Collect Soil Samples, add to extraction tube and mix
  2. Add drop of extraction mix to enzymatic reaction cuvette
  3. Enzymes react with phosphate in sample
  4. Read measurement at 360 nm using NECi's handheld photometer
  5. View, track, store, and share results using any Android mobile device!
Additional Information


Number of tests - Product ID

05 tests - PTK-S-05

10 tests - PTK-S-10

25 tests - PTK-S-25

50 tests - PTK-S-50

Related Documents

Soil Phosphate Test Kit Instruction Sheet

Data Sheet for Soil Phosphate Test Kits

SDS for Phosphate Test Kits

Each Kit Contains:

  • Sample Collection Tubes 
  • Large Measuring Spoon(s)
  • Squeeze Bulbs of Buffer
  • Squeeze Bulb of Phosphate Standard
  • Reaction Cuvettes (contains enzyme + co-factor)
  • Pipettes
  • Cardboard Cuvette Holder
  • Set of Instructions

For more detailed information about this kit, please view the instruction sheet.

For technical support regarding kits, contact

For inquiries regarding orders, or to request a custom quotation for international orders, contact

Kits purchased to use in classroom demonstrations or projects may be eligible for discounts. Complete survey HERE

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