User manual HANNA INSTRUMENTS HI 38072

[. . . ] Instruction Manual SPECIFICATIONS Range Smallest Increment Analysis Method Sample Size Number of Tests Case Dimensions Shipping Weight 0 to 10. 0 mg/L (ppm) as Mn 0. 5 mg/L (ppm) Mn Colorimetric 7. 5 mL 100 235x175x115 mm (9. 2x6. 9x4. 5") 1100 g (38. 8 oz. ) HI 38072 Manganese Test Kit for Irrigation Water · Remove the cap and insert the reacted sample into the right hand opening of the checker disc. · Hold the checker disc so that a light source illuminates the samples from the top. [. . . ] Manganese is not considered to be toxic to man and aquatic life and it is ingested as a trace nutrient, both in food and water. Nonetheless manganese has been limited in drinking water since it causes tenacious stains to laundry and because it produces objectionable tastes in beverages. Manganese is commonly found in domestic wastewater, industrial effluents and receiving streams. Note: mg/L is equivalent to ppm (parts per million). www. hannainst. com Dear Customer, Thank you for choosing a Hanna Product. Please read the instruction sheet carefully before using the test kit. 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 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 93709A-0 Citrate Buffer Reagent, packets (100 pcs); · HI 93709B-0 Sodium Periodate Reagent, packets (100 pcs); Deionized Water, 2 bottles (2x230 mL); · 1 checker disc (containing a mirror, a mirror holder and the 38072 disc); · 2 glass vials with caps; · 1 plastic pipette (3 mL). Note: Any damaged or defective item must be returned in its original packing materials. · Add to the other vial Deionized Water up to the 10 mL mark. This is the reacted sample. CHEMICAL REACTION The reaction between manganese and reagents causes a violet tint in the sample which is proportional to the manganese concentration. PRINTED IN ITALY For best results: Perform the reading three times and take the average value (divide by 3 the sum of the three numbers). [. . . ] If not, install them as shown in the figure. 02/00 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. ISTR38072 [. . . ]