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Comparator / color disc for 5,5 - 8,4 pH

hach-147006-komparator-cvetovoj-disk-na-ph.jpg

SKU: 147006

Manufacturer: Hach

Availability: Order only

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Comparator / color disc for measuring pH in the middle range 5.5 - 8.4.

Model: 17F

Smallest increment: 0.1

Test - kit included:


Description

Description

Before using the one-parameter test place the colored disc on the center post in the color comparator box (numbers on the front) and rinse the tubes with the sample. After finishing to do a test rinse the tubes with deionized water.

For more accurate results use a buffer solution as a sample. Chlorine with a concentration of more than 1 mg/L interferes with the test. To remove chlorine from a sample, add 1 drop of 0.1 N sodium thiosulfate solution per 25 ml of sample and mix and then use this dechlorinated sample in the test procedure. Sodium thiosulfate removes a maximum of 10 mg/L chlorine from the sample.

Step-by-step instructions for testing with the test-set Hach 17F:

  1. Fill the tube with a sample to 5 ml;
  2. Place the test tube - on the left in the color comparator box;
  3. Add 8 drops of indicator solution to the second tube;
  4. Rotate the tube to mix the sample;
  5. Place the second tube in the color comparator box;
  6. Keep the color comparator box out in the light (use sunlight or a desk lamp). Rotate the color wheel until the colors match. If the color is the same between two segments use the value in the middle of the two segments;
  7. Compare results.
Specifications

Specifications

Application areaTest kits, Wastewater, Reagents, Drinking water
TypePortable
IndustryMunicipal
ParameterspH
Measurement Range5,5 - 8,4 pH
MethodBromthymol blue
Number of tests200
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