User manual HANNA INSTRUMENTS HI 38039

[. . . ] Instruction Manual SPECIFICATIONS Range Smallest Increment Analysis Method Sample Size Number of Tests Case Dimensions Shipping Weight 0 to 1. 0 mg/L (ppm) as Fe 0. 02 mg/L (ppm) Fe Colorimetric 15 mL 100 235x175x115 mm (9. 2x6. 9x4. 5") 436 g (15. 4 oz) HI 38039 Iron Low Range Test Kit with Checker Disc · Keep the checker disc at a distance of 30-40 cm (1216") from the eyes to match the color while having a uniform background (e. g. Rotate the disc while looking at the color test windows and stop when you find the color match. [. . . ] Intensely colored samples will make the color matching 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. Interferences: Molybdate and Molybdenum above 50 ppm, calcium above 10000 ppm (as CaCO 3), magnesium above 100000 ppm, chloride above 185000 ppm. www. hannainst. com 09/00 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 3834-0 Reagent, packets (100 pcs); · 1 checker disc (containing a mirror, a mirror holder and the 38039 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. CHEMICAL REACTION Iron can exist as ferrous (Fe2+) or ferric (Fe3+) ions. The Hanna Test Kit determines total iron levels in water via a colorimetric method. First all ferric ions are reduced by sodium sulfite to ferrous ions. [. . . ] If not, install them as shown in the figure. 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. ISTR38039 [. . . ]