WHEN preparing a silver iodide sol by mixing solutions of silver nitrate and potassium iodide : the electrolyte potassium nitrate has to be removed.

World No. 1 Magnus Carlsen recorded a flawless performance, securing victories against S L Narayanan, Wesley So and Arjun Erigaisi, to take the sole lead at the Tata Steel Chess India Rapid ...

They focused on an 84-acre field in Yolo County, west of Sacramento, used to cultivate tomatoes and cucumbers — measuring nitrate levels during both growing and rainy seasons. Previous studies ...

As Lindt faces a lawsuit alleging high concentrates of lead in its dark chocolate products, we explore how lead can enter the food manufacturing process The global desire for chocolate is greater than ...

Department of Chemistry and Biochemistry, University of Notre Dame, 251 Nieuwland Science Hall, Notre Dame, Indiana 46556, United States ...

State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China Institute for the Environment and Health, Nanjing University Suzhou ...

As the EPA rolls out new lead regulations to curb lead exposure in homes and water systems, the question is whether these measures will live up to their promises. Lowering lead levels in dust and ...