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ManVer 2 Hardness indicator powder pillows, 100 pcs
SKU: 85199
Manufacturer: Hach
Availability: Order only
Packaged powder reagents Powder Pillows ManVer 2.
Indicator for use with Hach test kits for determining total hardness.
The number of tests in a package is 100 pieces.
Description Specifications Downloads Recommended products
Description
Description
ManVer 2 Hardness indicator Powder Pillows ManVer 2 (85199) from Hach. The Powder Pillows ManVer 2 Indicator is intended for use with test kits and Hach handheld digital titrator for total hardness determination.
Powder Pillows reagent pouches are hermetically sealed in foil pouches for a long shelf life.
Summary of method: A buffer solution (an organic amine and one of its salts) is added to the sample to adjust the pH to 10.1. An organic dye, calmagite, is then added as the indicator for the test. The organic dye reacts with calcium and magnesium ions to give a red-colored complex. The EDTA (ethylenediaminetetraacetic acid) titrant is added, which reacts with all of the free calcium and magnesium ions in the sample. After the EDTA has reacted with all of the free magnesium ions, the EDTA removes the magnesium ions from the indicator. The indicator color then changes from red to blue.
Specifications
| Application area | Environmental monitoring, Test kits, Wastewater, Reagents, Drinking water |
| Type | Powder pillows |
| Industry | Ecology, Pulp and paper, Pharmaceutical, Glass, Power generation, Transport, Chemical, Food and Beverage, Municipal |
| Parameters | Hardness |
| Method | EDTA |
| Number of tests | 100 |
Downloads
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Working procedure: Hardness, Total, (Titration Method with EDTA); ManVer 2 Hardness indicator powder pillows, 100 pcs (85199) |  |
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