Hanna Checker Marine Magnesium Colorimeter HI783The HI783 Marine Magnesium Checker HC is a handheld colorimeter that uses the Beer- Lambert principle to determine the concentration of magnesium colorimetrically. The HI783 is designed specifically to measur
The HI783 Marine Magnesium Checker HC is a handheld colorimeter that uses the Beer- Lambert principle to determine the concentration of magnesium colorimetrically. The HI783 is designed specifically to measure magnesium levels in a saltwater aquarium or in marine biology applications. The 1000 to 1800 ppm range is ideal for coral/fish or fish-only aquarium maintenance.
Magnesium is the third most abundant ion in seawater, surpassed only by sodium and chloride. Its abundance is critical in the formation of weak ion pairs with carbonate ions. This allows calcium and carbonate ions to be available for uptake by corals and invertebrates. Low levels of magnesium lead to low or unstable levels of calcium and alkalinity. Signs of lowmagnesium levels include precipitation of calcium as insoluble calcium carbonate and impaired inhabitant growth and health.
Range: 1000 to 1800 ppm Magnesium
Resolution: 5 ppm
Accuracy: 5% of reading @ 25 C (77 F)
Light source: Light Emitting Diode @ 610 nm
Light detector: Silicon photocell
Method: Adaptation of the colorimetric EDTA method using calmagite indicator. The reaction between magnesium and the reagents causes a blue to violet tint in the sample.
Environment: 0 to 50 C (32 to 122 F); max. 95% RH non-condensing Prepared sample cuvette (sample plus reagents) must be 18 to 28 C (64 to 82 F).
Battery type: 1.5V AAA Alkaline
Auto shut-off: After 10 minutes of non-use
Dimensions: 86.0 x 61.0 x 37.5 mm (3.4 x 2.4 x 1.5)
Weight: 64 g (2.3 oz)
Interferences: Calcium below 300 ppm and above 500 ppm
Ordering Information: HI783 Checker HC is supplied with sample cuvette and cap (2 pcs.), Marine Magnesium reagent starter kit (reagents for 25 tests), 1 mL graduated syringe and tip (1 pc.), 5 mL syringe and tip with black printing (1 pc.), 5 mL syringe and tip with blue printing (1 pc.), 1.5V AAA Alkaline battery (1 pc.), instruction manual, and quick-reference guide.
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Shipping Methods & Rates
We offer a variety of shipping options to meet your needs. The cost of shipping depends on the shipping method you choose, the destination, and the size of your order. Please refer to the shipping options available at checkout for more details.
Express Shipping: Delivery within 3-5 business days (next-day delivery for some locations).
International Shipping: Available to selected countries. Delivery time and shipping fees will vary based on destination.
Processing Time
Orders are typically processed within 1-2 business days from the time your order is placed. Please note that during peak seasons or promotional periods, processing time may be slightly longer.
Tracking Your Order
Once your order has been dispatched, you will receive an email with tracking information so you can monitor the status of your shipment. You can also check the status of your order in your account under “Order History.”
Delivery Times
Estimated delivery times vary depending on your location and the shipping method selected. For international orders, customs processing may cause delays, which are beyond our control.
Domestic Orders: Typically arrive within 3 business days.
International Orders: Delivery times may range from 7 business days, depending on the destination country and customs clearance times.
Lost or Damaged Packages
While we take great care to ensure your items are packaged securely, accidents can happen. If your order arrives damaged or you believe it’s lost, please contact us at customer service email or phone number within 7 days of receiving your package. We will investigate the issue and provide a solution.
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