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Archive for July, 2014

4 Tips for getting Accurate Measurements when testing Phosphates in Water

Written by Janice M on . Posted in Technical Tips, Water & Environmental

In order to get accurate measurements when testing phosphates, extra care needs to be taken with the preparation of cells / cuvettes. A number of tablet reagents used for other tests, eg DPD tablets, contain phosphates. Some tap water also contains phosphates. This makes it important to: Not use cells / cuvettes that have just …

Lead and Copper in Drinking water

Written by Janice M on . Posted in Water & Environmental

Lead and Copper in Drinking water Lead is not naturally found in water, but mainly enters drinking water through corroded pipes, plumbing and lead solders. Old brass or chrome plated fittings are a common culprit. Strong tap velocity can also influence the amount of metal ions in water by lifting settled sediment. Have you noticed …

Testing for Antibiotics in Milk

Written by Janice M on . Posted in Hygiene & Quality Control

The issue of milk contamination with antibiotics has become increasingly important. Extensive use of antibiotics has lead to drug resistance to antibiotics in humans and animals, as bacteria has evolved to survive many common strains of antibiotics. This is a world-wide problem and is especially significant in African countries, where newer antibiotics may be unaffordable. …


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