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Unformatted text preview: 1. Use the 0.5mL pipette (0353) to add 0.5mL of the water sample to a test tube (0898). 2. Add distilled water to the lower line (5mL). 3. Dilute to second line with Mixed Acid Reagent (V-6278). Cap and mix. 4. Wait two minutes. 5. Use the 0.1g spoon (0699) to add one level measure (avoid any excess) of Nitrate Reducing Reagent (V-6279). 6. The mixing procedure is extremely important. Cap tube. Invert tube slowly and completely 30 times in 1 minute to insure complete mixing. 7. Wait 10 minutes. 8. Insert test tube into Axial Reader. Fill two test tubes (0898) to 10mL line with sample water. Place in Axial Reader. Match sample color to a color standard. Multiply the reading by 10. Record as ppm Nitrate-Nitrogen....
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This note was uploaded on 04/07/2008 for the course BIO research taught by Professor Kaplan during the Fall '07 term at Quinnipiac.
- Fall '07