User manual HANNA INSTRUMENTS HI 38034

[. . . ] Instruction Manual SPECIFICATIONS 0 to 20 gpg CaCO3 0 to 20 ppm CaCO3 Smallest Increment 0. 2 gpg CaCO3 0. 2 ppm CaCO3 Analysis Method EDTA titration Sample Size 25 mL Number of Tests 100 for the gpg range 100 for the ppm range Case Dimensions 235x175x115 mm (9. 2x6. 9x4. 5") Shipping Weight 567 g (20. 0 oz. ) Range INSTRUCTIONS READ ALL THE INSTRUCTIONS BEFORE USING THE TEST KIT · Remove the cap from the plastic vessel. Rinse the plastic vessel with the water sample, fill to the 25 mL 25 mL mark and replace the cap. [. . . ] The Hanna hardness test kit makes monitoring easy and quick. The compact size provides the versatility to use the kit anywhere and the design makes the kit easy to handle. Note: 1 gpg (grains per gallon) CaCO3 is equivalent to 17 ppm CaCO3 (where ppm - parts per million - is equivalent to mg/L). · Add 1 drop of Calmagite Indicator through the cap port and mix as described above. The solution becomes a redviolet color. Standard Methods for the Examination of Water and Wastewater, 16th Edition, 1985, p. 212-215. Note: Any damaged or defective item must be returned in its original packing materials. ISTR38034 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: · Buffer Solution pH 10. 2±0. 2, 2 bottles with dropper (2x30 mL); · Calmagite Indicator, 1 bottle with dropper (10 mL); · EDTA Solution 0-20 gpg range, 1 bottle (100 mL); · EDTA Solution 0-20 ppm range, 1 bottle (100 mL); · 1 calibrated plastic vessel (50 mL) with cap; · 2 syringes (1 mL) with tips. HEALTH AND SAFETY The chemicals contained in this test kit may be hazardous if improperly handled. [. . . ] After all the free metal ions have been complexed, an excess EDTA removes the metal ions complexed with the indicator to form a blue colored solution. This color change from red to blue is the endpoint of the titration. [. . . ]