1421300 Copper (Free) Color Disc Test Kit, Model CU-5

Copper (Free) Color Disc Test Kit is required for free copper evaluation in the range of 0 - 4 mg/L Cu in water samples. Color Disc/Bicinchoninate method is used to conduct free copper analysis. Model CU-5 can be used for 100 samples. The smallest increment is 0.1 mg/L Cu.

CU-5 Test Set contains:

• CuVer® 1 Copper Reagent Powder Pillows (p/n 1421199)
• Copper Color Disc, 0-4 mg/L (p/n 9263300)
• Color Comparator Box (p/n 173200)
• 18 mm Glass Viewing Tubes (p/n 173006)
• Stoppers for 18-mm Glass Tubes and AccuVac Ampuls (p/n 173106)

Procedure for Cu determination

Before starting analysis:

• Use sunlight or lamp as the source of light to match the color with the color comparator box.
• Rinse tubes with sample before the analysis.
• Rinse tubes with deionized water after the analysis.

Testing procedure

Add 5 mL of sample into two tubes. Place the first tube into the left opening of the color comparator box. Pour the content of CuVer 1 Copper Reagent Powder Pillow into the second tube, set the stopper and invert to mix. The purple color develops as the result of the reaction. After 2 minutes, insert the second tube into the color comparator box. Rotate the color disc to identify the matching color. Read the testing results in mg/L in the scale window.