Indigo® phosphate test strips measure phosphate ions (PO4) in soil and farm runoff. Readings are at 0, 10, 25, 50 and 100 ppm levels; only $14.95.
Phosphate is essential to plant growth and excess runoff due to agricultural practices is a major contributor to the eutrophication of water both in lakes and freshwater. This test strip is very useful in Industrial and agricultural wastewater management and environmental monitoring. Use them to determine whether you have normal or high phosphate levels in your water runoff. You may wish to use them along with our nitrate-nitrite test strips to monitor potential pollution levels.
Phosphate test strips detect orthophosphate ions and indicates results as ppm phosphorous. The value for phosphate is 3 times this.
There is a variety of sources that can interfere with accurate measurement. Arsenate and silicates above 20 ppm may cause a false positive. Fluorides, chlorides and nitrites above 50 ppm as well as heavy metals & high levels of oxidizing compounds may depress the reaction. The pH of the test sample should be in the range of 6-9. A temperature range of 18-30oC is recommended.
This strip indicates results at 10, 25, 50 & 100ppm & has a detection limit of 5 ppm.
Test Strip Documentation |
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Stability Statement | Certificate of Analysis | SDS | ||
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