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Description The Phosphate test strip measures orthophosphate ions, expressed as phosphorous (not phosphate). To express the result as phosphate, multiply the result by 3. This test strip has a unique construction for more accurate testing. This test strip is useful for measuring phosphorous/phosphate levels in solutions such as detergents. Simple Dip-Wait-Read Testing Method Test strips are stored in a plastic container to protect them Ideal for quick and reliable testing of water Accurate results are achieved in just over 3 minutes This product is safe and easy to use since there are no chemicals to mix, an MSDS is not required Suitable for: any fresh water, solutions such as detergents Sensitivity: Phosphorous: 0, 10, 25, 50, 100 ppm (mg/l), Phosphate: 0, 30, 75, 150, 300 ppm (mg/l) Contains: 50 test strips How to Use: Dip the test strip into the solution for 1 second. Wait 3 minutes, then compare colour change to closest colour on colour chart. Total Test Time: 3 minutes The Phosphate test strip measures orthophosphates and expresses the result in terms of the phosphorous ion (ppm phosphorous). To get the phosphate concentration, multiply the result from the strip by 3. The colour chart was developed using the test strip and measuring the response to standards prepared from potassium phosphate in water. Interferences Arsenate and silicates above 20 ppm may cause a false positive. Fluoride, chlorides and nitrites above 50 ppm may depress the reaction. Heavy metals and large quantities of oxidising compounds may depress the results. pH and temperature can affect the results. The pH of the sample should be in the range of 6-9. The best results are obtained in the range of 18-30°C. General description: For semi-quantitative determinations. Detection method: colorimetric. Fast, simply dip and read indicator paper. Consists of a plastic strip with attached sealed test paper. Compare colour change of test paper with fields of equal size on colour chart provided on plastic box. Please note:  Store in a cool, dry place (between 20- 30°C) and away from excess heat and direct sunlight. Keep away from children and pets. Avoid contact of test areas on strips with skin & eyes, do not ingest or expose to acids. Do not touch test pad. This is a screening test and can not be used to certify water as safe or unsafe for drinking. It provides approximate results ONLY when used in strict accordance with instructions. SimplexHealth expressly disclaims any liability resulting from the use of this product, failure to follow instructions, or reliance of test results. This is not a measuring instrument. This product is not intended to diagnose, treat or monitor any medical condition. Wash hands before and after use. The contents of the kit should not come in contact with food or consumables. Once the test has been completed, dispose of it responsibly.   Made in USA MPN: SH1047(50T)