Water hardness is primarily caused by the presence of dissolved minerals, particularly calcium (Ca²⁺) and magnesium (Mg²⁺) ions. These minerals are naturally found in water as it flows over or through soil and rocks.
Deepthi Rathnayake
B.Sc. Chemist | Quality Tester | Analytical Instrumentation Specialist
Experienced Chemist with a strong background in quality testing and analytical instrumentation. Skilled in using advanced laboratory equipment, including UV-Vis Spectrophotometer, Kjeldahl Unit, Flame Photometer, and GC-MS, to ensure precision in chemical analysis. Passionate about maintaining high standards in quality control and research, with a keen interest in analytical chemistry and product testing.
Dedicated to continuous learning and innovation in the field of chemistry, I thrive in laboratory environments that demand accuracy, efficiency, and problem-solving. Looking forward to connecting with professionals who share an interest in analytical chemistry, quality assurance, and laboratory research.
🔬 Key Expertise:
✅ Analytical Chemistry
✅ Quality Testing & Control
✅ Instrumentation & Calibration
✅ Method Development & Validation
✅ Research & Data Analysis
3 Articles
The COD test method uses specific chemicals, each playing a vital role in accurately measuring Chemical Oxygen Demand.
Regular calibration ensures accurate pH readings for research, food production, and water testing. Follow these 3 simple steps to calibrate your pH meter.
