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Manganese Test for Drinking Water
Manganese Test for Drinking Water
Palintest Ltd, a leading water and chemical analysis company, has developed a new high range Test for Manganese in drinking water. The new manganese HR test now offers a market-leading measurement range of 0.02 to 5 mg/l, without the need for pre-test sample dilution. The test uses the approved standard Formaldoxime method (ISO 6333), and is supplied in packs containing two sets of tablets. One set of tablets is used to prepare the sample, correcting pH level, and the second tablet reacts with the Manganese. The resultant solution develops an orange/brown colour, which indicates the concentration. This test is designed for use with Palintest’s 7100, 7500 and 8000 model Photometers for precise photometric measurement. In 2004 the World Health Organisation (WHO) reviewed the health risks posed by Manganese in drinking water, and adopted a new Guideline value of 0.4 mg/l. Concentration levels down to 0.05 mg/l may still cause discolouration of water, leading to consumer dissatisfaction. Similarly, the US EPA recommends a limit of 0.05mg/l because of the staining caused, with some industrial applications requiring levels down to 0.02 mg/l. The new Manganese HR test from Palintest therefore allows a full range of concentration testing from trace to toxic, without extra cost or complexity. The company is a specialised manufacturer of water analysis technology, with its origins dating back to 1870. In the 1950s, Dr Thomas Palin joined the company after developing the principal of breakpoint chlorination for water and inventing the DPD testing method for chlorine levels in drinking water. The DPD method, though over 50 years old, is still the recognised standard chlorine test both in China and around the world. Through continued improvement, refinement and innovation, the company is now the world's leading producer of a full range of testing equipment and reagents for water, soil, and the environment.