User manual HANNA INSTRUMENTS HI 38061

[. . . ] Instruction Manual Range SPECIFICATIONS 0 to 1. 0 mg/L (ppm) Phosphate (LR) 0 to 5. 0 mg/L (ppm) Phosphate (MR) 0 to 50 mg/L (ppm) Phosphate (HR) 0. 02 mg/L (ppm) Phosphate (LR) 0. 1 mg/L (ppm) Phosphate (MR) 1 mg/L (ppm) Phosphate (HR) Colorimetric 10 mL (LR), 7. 5 mL (MR), 0. 75 mL (HR) 100 235x175x115 mm (9. 2x6. 9x4. 5") 1010 g (35. 6 oz) INSTRUCTIONS READ THE ENTIRE INSTRUCTIONS BEFORE USING THE KIT 0-1. 0 ppm Phosphate (PO43-) Range: 1- Verify that the mirror, its holder and the 38061 disc are pre-installed in the checker disc. If not, install them as shown in the figure. 7- Hold the checker disc so that a light source illuminates the samples from the top. HI 38061 Phosphate Test Kit with Checker Disc Smallest Increment Analysis Method Sample Size Number of Tests Case Dimensions Shipping Weight 8- Keep the checker disc at a distance of 30-40 cm (1216") from the eyes to match the color. Rotate the disc while looking at the color test windows and stop when you find the color match. [. . . ] It will provide you with the necessary information for correct use of the kit. If you need additional information, do not hesitate to e-mail us at tech@hannainst. com. Remove the test kit from the packing material and examine it carefully to make sure that no damage has occurred during shipping. If there is any noticeable damage, notify your Dealer or the nearest Hanna office immediately. Each kit is supplied with: · HI 93713-0 Reagent, packets (100 pcs); · Deionized Water, 1 bottle (500 mL); · 1 checker disc (including a mirror, a mirror holder , the 38061 and the 38073 discs); · 2 glass vials with caps; · 1 plastic pipette (3 mL); · 1 long plastic pipette. Note: Any damaged or defective item must be returned in its original packing materials. 10- Using the pipette, add to each glass vial 7. 5 mL of sample (up to the mark). 7. 5 mL 11- Insert one of them into the left hand opening of the checker disc. This is the blank. PRINTED IN ITALY CHEMICAL REACTION Adaptation of the ascorbic acid method. The reaction between phosphate and the reagent causes a blue tint in the sample. 5- Wait for 3 minutes to allow reaction to occur. 6- Remove the cap and insert the reacted sample into the right hand opening of the checker disc. 12- Add to the other glass vial 1 packet of HI 93713-0 Reagent. This is the reacted sample. ISTR38061 13- Wait for 3 minutes to allow reaction to occur. 14- Remove the cap and insert the reacted sample into the right hand opening of the checker disc. 15- Hold the checker disc so that a light source illuminates the samples from the back of the windows. 21- Use the long plastic pipette to add deionized water up to the 7. 5 mL mark, replace the cap and swirl to mix. REFERENCES APHA, AWWA, WEF, Standard Methods for the Examination of Water and Wastewater, 18th edition, 1992 HEALTH AND SAFETY The chemicals contained in this kit may be hazardous if improperly handled. Read the relevant Health and Safety Data Sheet before performing this test. 16- Keep the checker disc at a distance of 30-40 cm (1216") from the eyes to match the color. Rotate the disc while looking at the color test windows and stop when you find the color match. 17- Read the value in the result window, divide it by 10 and record it in mg/L (or ppm) of Phosphate. [. . . ] Note: To measure exactly 0. 75 mL of sample with the syringe, push the plunger completely into the syringe and insert the tip into sample. Pull the plunger out until the lower edge of the seal is on 0. 0 mL mark of the syringe. Insert the syringe into the vial and push the sample out until the lower edge of the seal is on the 0. 75 mL mark (the longer mark between 0. 7 and 0. 8). [. . . ]