User manual HANNA INSTRUMENTS HI 3854

[. . . ] Instruction Manual SPECIFICATIONS Range Smallest Increment Analysis Method Sample Size Number of Tests Case Dimensions Shipping Weight 0 to 3. 0 mg/L (ppm) as Zinc 0. 6 ppm Colorimetric 20 mL 100 230x59x70 mm (9. 0x2. 3x2. 8") 250 g (8. 8 oz. ) INSTRUCTIONS READ THE ENTIRE INSTRUCTIONS BEFORE USING THE KIT · Fill the plastic vessel with 20 mL of the sample, up to the mark. · Wait 3 minutes and 30 seconds to allow color to develop. [. . . ] Note: mg/L is equivalent to ppm (parts per million). · Add 1 packet of reagent HI 3854A-0 and mix, using the plastic spoon, until the powder is completely dissolved. · Determine which color best matches the solution in the cube and record the result as mg/L (ppm) of zinc. · It is better to match the color with a white sheet at about 10 cm behind the comparator. 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 3854A-0 Reagent, packets (100 pcs); · HI 93731B-0 Zinc Reagent B (Cyclohexanone), 2 bottles (60 mL); · 1 color comparator cube; · 1 glass cuvet (10 mL) with HDPE plastic stopper ; · 1 syringe (1 mL); · 1 calibrated plastic vessel (20 mL); · 1 plastic spoon. Note: Any damaged or defective item must be returned in its original packing materials. CHEMICAL REACTION Zinc reacts with the zincon reagent to form a brownishgreen to blue complex in a solution buffered at alkaline pH. Since other metals can form colored complexes with zincon, cyanide is added to complex zinc and any other heavy metal present. [. . . ] Read Health and Safety Data Sheet before performing this test. ISTR3854 12/99 [. . . ]