User manual HANNA INSTRUMENTS HI 38066

[. . . ] 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 SiO2 0. 02 mg/L (ppm) SiO2 Colorimetric 20 mL 100 235x175x115 mm (9. 2x6. 9x4. 5") 580 g (20. 4 oz) HI 38066 Silica Low Range Test Kit · 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. · Using the plastic pipette, fill each glass vial with 20 mL of sample (up to the mark). [. . . ] This is the blank. 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 93705A-0 Silica Reagent, 1 bottle with dropper (25 mL); · HI 93705B-0 Silica Reagent, packets (100 pcs); · HI 93705C-0 Silica Reagent, packets (100 pcs); · 1 checker disc (containing a mirror, a mirror holder and the 38066 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 Determination of silica concentration is an adaptation of the ASTM D859 method of the heteropoly blue method. The reaction between silica and reagents causes a blue tint in the sample which is proportional to the silica concentration. INSTRUCTIONS READ THE ENTIRE INSTRUCTIONS BEFORE USING THE KIT · Verify that the mirror, its holder and the disc are preinstalled in the checker disc. If not, install them as shown in the figure. 09/00 · Add to the other vial 6 drops of HI 93705A-0 rex6 agent. Replace the cap, shake and wait for 5 minutes. · Remove the cap, add 1 packet of HI 93705B-0 reagent. Replace the cap, shake and wait for 2 minutes. · Remove the cap and add 1 packet of HI 93705C-0 reagent. [. . . ] When not in use, keep the disc protected from light, in a cool and dry place. Interferences: phosphate above 50 ppm, sulfide, high dissolved salts concentration, high concentration of iron. PRINTED IN ITALY REFERENCES Adaptation of the ASTM D859 method of the Heteropoly Blue Method. 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. ISTR38066 [. . . ]