User manual HANNA INSTRUMENTS HI 3864

[. . . ] Instruction Manual Range SPECIFICATIONS 0 to 1. 00 mg/L (ppm) as Phenols LR 0. 5 to 5. 0 mg/L (ppm) as Phenols HR Smallest Increment 0. 02 mg/L (ppm) Phenols LR 0. 1 mg/L (ppm) Phenols HR Analysis Method Colorimetric Sample Size 10 mL Number of Tests 100 Case Dimensions 235x175x115 mm (9. 2x6. 9x4. 5") Shipping Weight 573 g (20. 2 oz. ) the value in the result window and record it in mg/L (or ppm) of Phenols. HI 3864 Phenols Test Kit · Fill each glass vial with 10 mL of 10 mL sample, up to the mark. · Insert one of them into the left hand opening of the checker disc. This is the blank. SIGNIFICANCE AND USE Phenols are widely used in pharmaceuticals, dyes and indicators and as general disinfectants. [. . . ] · Rotate the disc while looking at the color test windows and stop when you find the color match. Read the value in the result window and record it in mg/L (or ppm) of Phenols. For best results: Intensely colored samples will make the color matching determination difficult and they should be adequately treated before performing the test. Suspended matter in large amounts should be removed by prior filtration. Caution: Ultraviolet radiation may cause fading of colors. When not in use, keep the disc protected from light, in a cool and dry place. www. hannainst. com Dear Customer, Thank you for choosing a Hanna Product. Please read the instructions carefully before using the chemical test kit. It will provide you with the necessary information for correct use of the kit. Remove the chemical 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 3864A-0 Reagent, packets (100 pcs); · HI 3864B-0 Reagent, packets (100 pcs); · 1 checker disc (with 2 discs, LR and HR); · 2 glass vials with caps; · 1 mirror. Note: Any damaged or defective item must be returned in its original packing materials. CHEMICAL REACTION Phenolic compounds react to form a yellow to orange dye with 4-amino antipyrine in alkaline solution buffered at pH about 10. The absorbance of this colored product is proportional to the concentration of phenols present in the aqueous sample. INSTRUCTIONS READ THE ENTIRE INSTRUCTIONS BEFORE USING THE KIT · Verify if the mirror and the LR (0÷1 mg/L) disc are already pre-installed in the checker. If not, install both as shown in the figure. ISTR3864 · Add to the other glass vial 1 packet of HI 3864A-0 Reagent. [. . . ] · After the 10 minutes have passed, rotate the disc while looking at the color test windows and stop when you find the color match. Read PRINTED IN ITALY REFERENCES Standard Methods for the Examination of Water and Wastewater, 18th edition, 1992 11/99 HEALTH AND SAFETY The chemicals contained in this kit may be hazardous if improperly handled. Read Health and Safety Data Sheet before performing this test. [. . . ]