Hanna Marine Nitrate Low Range Reagents 25 tests

Name: Hanna Marine Nitrate Low Range Reagents 25 tests
Brand: Hanna
SKU: HI-781-25
Price: 21.29 GBP
Availability: InStock

£21.29

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Description

HI-781-25 Marine Low Range Nitrate reagents, 25 tests, for use with the HI-781 Nitrate Handheld Colorimeter Checker.Uses the Zinc reduction method.

Measurement Procedure:

Press the ON/OFF button to turn the checker on. All segments will be displayed for a few seconds, followed by “Add”, and “C.1” with “Press” blinking.
Using the 10 mL syringe, measure exactly 7 mL of the sample into the large mixing vial.
Using the 5 mL syringe, add exactly 4 mL of HI-781A-0 reagent into the large mixing vial.
Add the content of one packet of HI-781B-0 reagent into the large mixing vial. Replace the cap and shake vigorously for 1 minute.
Remove the plunger from the 10 mL syringe. Attach the syringe to the filter holder assembly using the threaded connection.
Remove the cap from the mixing vial. Hold the syringe and filter holder assembly over a cuvette. Carefully pour the contents of the mixing vial into the back of the syringe.
Very slowly push the plunger into the 10mL syringe until the 10mL cuvette has been filled up to the 10 mL mark and replace the cap.
Insert the cuvette into the checker and close the cap.
Press the ON/OFF button. When the display shows “Add”, and “C.2” with “Press” blinking, the checker is zeroed.
Remove the cuvette, unscrew the cap and add the content of one packet of HI-781C-0 reagent. Replace the cap and shake vigorously for 2 minutes.

Keep out of reach of children. May cause skin irritation. In case of contact with eyes, or swallowed seek medical advice immediately

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