K-8513 Phosphate

K-8513 Phosphate Vacu-vials Kit was designed to obtain Phosphate levels from 0-8.00 ppm

Phosphate Information


The K-8513 Phosphate Kit was designed to accurately measure the levels of Phosphate in water from 0-8.00 ppm. K-8513 uses the Stannous Chloride Method. Test kits employing this chemistry utilize a stannous chloride reduction. Phosphate reacts with ammonium molybdate and is then reduced by stannous chloride to form a blue complex. Results are expressed as ppm (mg/L) PO4.

Phosphorus occurs naturally in rock formations in the earth's crust, usually as phosphate. High phosphate concentrations in surface waters may indicate fertilizer runoff, domestic waste discharge, or the presence of industrial effluents or detergents. Although phosphates from these sources are usually poly-phosphates or organically bound, all will degrade to ortho or reactive phosphates with time

Phosphate measurement is used to control scale and corrosion inhibitor levels in boilers and cooling towers. Both methods described below measure reactive phosphate, which will give a positive reaction prior to hydrolysis, and is usually termed ortho-phosphate.

What's included:

  • 30 Ampoules
  • 25 mL Sample Cup and Top
  • Activator Solution
  • Ampoule Blank
  • Instruction Manual


How to use:

  1. Put the Zero ampoule into the device and cover with the light shield piece to zero out the unit. (NOTE: This must be zeroed any time the unit is turned off and turned back on)
  2. Fill to the 25 mL mark in the sample cup with your water.Fill the sample cup to 25ml
  3. Add 2 drops of Activator Solution, cap Sample Cup, and shake gently.
  4. Snap the end of the Vacu-vial in the water on the bottom/side of the 25 mL sample cup.Snap the tip of the ampoule on the bottom and side of the sample cup
  5. Mix the contents of the ampoule by tipping back and forth a few times.Tip the vacu-vial back and forth to mix
  6. Dry the vacu-vial and wait 3 minutes for color development.Dry vacu-vial and then insert into the I-2019
  7. Place the vacu-vial ampoule into the device (flat end first) for readout. 



K-8513 Instructions

Phosphate Tech Sheet

Phosphate Information

More Information
Manufacturer CHEMetrics
Call For Price No
Gas Phosphate
4-20 mA Output No
Voltage Output None
Power Requirements 4 AAA Batteries
Datalogging No
Warranty 1 Year
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