K-3803 Cyanide

K-3803 Cyanide Vacu-Vials Kit is used to determine Cyanide levels from 0-0.400 ppm.

Cyanide Information

2-5 Business Days

Why Choose Vacu-vials?

CHEMetrics Vacu-vials self-filling ampoules are a great way to test for dissolved substances in liquid. Unlike our visual test kits, the Vacu-vials test kit allows you to obtain an instrumental result using the CHEMetrics Direct-Redout Photometers or any spectrophotometer capable of accepting a 13m diameter round cell. When using equipment from another manufacturer, set the spectrophotometer to absorbance mode, select the wavelength specified by the Vacu-vials kit instructions, and follow the test procedure. The K-1503 Ammonia Kit is designed to accurately measure the levels of Ammonia in water from 0-7.00 ppm.

Safe and Reliable Results:

While traditional methods often require multiple steps and thorough preparation, these test kits allow you to obtain dependable results with a few simple steps. By simplifying the testing method, Vacuvials test kits reduce the potential for operator error. Additionally, each of the ampoules contained in the test kits is vacuum sealed which helps eliminate the problem of obtaining inaccurate results from stale or unstable reagents. These reagents are stored right in the tip of each ampoule and sealed in glass, thereby minimizing direct contact with the chemicals.

What's Included:

     -30 self-filling Ampoules

     -25 mL Sample Cup

     -Neutralizer Solution

     -Activator Solution

     -Ampoule Blank

     -3.0 mL Syringe

     -Instruction Manual


K-3803 uses the Isonicotinic-Barbituric Acid Method. In the Cyanide CHEMets® and Vacu-vials® Kit, chlorine is added to a sample that has been buffered to pH 6. The resulting cyanogen chloride reacts with isonicotinic and barbituric acids to form a blue color. Results are expressed as ppm (mg/L) CN. 

Cyanide is used in many chemical and refining processes. It is found in effluent from electroplating and metal cleaning operations, coke ovens, steel manufacturing facilities, and gas scrubbers. Although cyanide can be safely removed by alkaline chlorination, its acute toxicity to aquatic life necessitates routine monitoring of effluents. The Maximum Contaminant Level for free cyanide in drinking water is 0.2 mg/L.

CHEMetrics' cyanide test kits are applicable to the monitoring of effluents and surface water supplies. It is recommended, however, that the sample be distilled and hydrogen sulfide be removed prior to analysis.  


How to Use:

1. Fill the sample cup to the 10 mL mark with the sample to be tested. 2. Add 1.5 mL drops of the Stabilizer Solution. Stir to mix the contents of the cup. Shake the Activator Solution before adding 5 drops to the sample cup. Stir again.
3. Place the Vacu-vial ampoule tip-first into the sample cup. Snap the tip and the ampoule will automatically fill. 4. To mix the ampoule, tilt it from side to side, allowing the bubble to travel from end to end.
5. Dry the ampoule and wait 2 minutes for color development. 6. Insert the Vacu-vial ampoule into the photometer, flat end first, and obtain a reading in ppm.


More CHEMetrics Kits for Cyanide:

Chemets Kits
Product Number Method MDS Range Price
K3810 Isonicotinic-Barbituric Acid 0.005ppm 0-0.1 & 0.1-1ppm $68.00



K-3803 Instructions

Safety Data Sheet

Cyanide Tech Sheet

Cyanide Information


More Information
Manufacturer CHEMetrics
Call For Price No
Gas Cyanide
4-20 mA Output No
Voltage Output None
Power Requirements 4 AAA Batteries
Datalogging No
Warranty 1 Year
Range 0-0.400 ppm
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