Topic: Calcium for Seawater Hanna 鈣蛋已到貨 |
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Posted by: 珊瑚水族(CORAL) Posted on: 2011-07-19 12:12 [img]https://hannachecker.com/images/banners/banner_1.gif[/img] [img]http://www.reef.hk/forum/uploads/monthly_07_2011/post-35-0-75412100-1311047078_thumb.png[/img] HI 758 Calcium Checker HC is supplied with 2 sample cuvettes and caps, reagents for 15 tests, (1)1.5V AAA battery, and instruction manual 價格請瀏覽www.tkocoral.com Calcium presence in water supplies results from passage over deposits of limestone, dolomite, gypsum and gypsiferous shale. Its concentration may extend from 0 to several hundred milligrams per liter,depending on its source and treatment. Calcium is necessary in plant and animal nutrition since it is an essential constituent of bones, shells and plant structures. Calcium in water as carbonate is one of the primary components of water hardness which can cause pipe or tube scaling. The HI 758 Calcium CheckerRHC is extremely simple to use. First, zero the instrument by adding Reagent A, deionized water and 0.1 mL of sample into the vial. Insert into the HI 758 and press the button. Next, remove the vial and add Reagent B and shake to dissolve. Reinsert into the CheckerRHC and press the button to read the calcium concentration in ppm on the display. Easier to use and more accurate than chemical test kits!. Adaptation of the Zincon method. Accuracy ±6 % of reading 1 ppm resolution. Large, easy to read digits. Auto shut off. Dedicated to a single parameter. Uses 10 mL glass cuvettes. Small size, big convenience. Weighing a mere 64 g (2.25 oz.), the CheckerRHC easily fits into the palm of your hand or pocket!. Use for quick and accurate on the spot analysis. Single button operation: zero and measure. Operated by a single AAA battery. Ideal for Aquaculture and aquariums. SPECIFICATIONS HI 758 (Marine Calcium) Range 200 to 600 ppm Resolution 1 ppm Accuracy @ 25°C/77°F ±6% of reading | |
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