TEST INSTRUCTIONS - Geotech Environmental Equipment
TEST INSTRUCTIONS - Geotech Environmental Equipment
TEST INSTRUCTIONS - Geotech Environmental Equipment
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PROCEDURE<br />
1. This test requires a Reagent Blank. Rinse a tube (0290) with clear,<br />
colorless, boron free water. Fill to 10 mL line with clear, colorless, boron<br />
free water.<br />
2. Use the 1.0 mL pipet (0354) to add 2 mL of *Boron Buffer (4869). Cap<br />
and mix.<br />
3. Use the 0.15 g spoon (0727) to add one level measure of *Boron Indicator<br />
Powder (4870). Press full spoon against side of jar to compress powder.<br />
Scrape off excess powder on inside neck of bottle. Tap excess off spoon<br />
handle.<br />
4. Cap and shake vigorously for 30 seconds.<br />
5. Insert the tube into meter chamber. Close lid.<br />
6. Start a timer set for 30 minutes. Do not open the lid during the waiting<br />
time. The reaction is photosensitive.<br />
7. Rinse a clean tube (0290) with Sample Water. Fill to the 10 mL line with<br />
sample water. Repeat steps 2–4.<br />
8. Insert the tube into the Dark Storage Chamber (0108). Close top.<br />
9. Start a second timer set for 30 minutes. Do not open the chamber during<br />
the waiting time. The reaction is photosensitive.<br />
10. When 2 minutes remain on the first timer (Reagent Blank), press and<br />
hold ON button until colorimeter turns on.<br />
11. Press ENTER to start.<br />
12. Press ENTER to select Testing Menu.<br />
13. Select ALL <strong>TEST</strong>S (or another sequence containing 8 Boron)from<br />
<strong>TEST</strong>ING MENU.<br />
14. Scroll to and select 8 Boron from menu.<br />
15. At the end of the Reagent Blank 30 minute waiting period, remove<br />
Reagent Blank tube from meter chamber. Invert several times to mix.<br />
16. Insert the tube into meter chamber, close lid and select SCAN BLANK.<br />
17. Remove the tube from colorimeter.<br />
18. At the end of the Sample Water 30 minute waiting period, remove<br />
Sample Water tube from Dark Storage Chamber. Invert several times to<br />
mix.<br />
19. Insert tube into meter chamber, close lid and select SCAN SAMPLE.<br />
Record result in ppm boron.<br />
20. Press OFF button to turn the colorimeter off or press EXIT button to exit<br />
to a previous menu or make another menu selection.<br />
Boron 2/2 Smart2 <strong>TEST</strong> PROCEDURES 2.04