• feldspar
  • Metals and Minerals for the Environment Unfortunately, most of the easy problems affecting the production as well as environmental costs of minerals or metals His predilection processing methods rely on, but are not limited to, using seed grant for his project 'Affordable Potassium Fertilizer from K Feldspar for Africa. (congressoabes2017.com)
  • concentration
  • Previous studies, in humans, have used measurements of arteriovenous plasma potassium concentration differences (AV delta[K+]) and/or muscle biopsy to measure the loss of muscle K+ during exercise. (ox.ac.uk)
  • Minerals are dated by measurement of the concentration of potassium and the amount of radiogenic 40Ar that has accumulated. (wikipedia.org)
  • data
  • This contribution is designed to document the radioisotope dating data for groups of chondrites, stony achondrites, pallasites and mesosiderites, and irons. (answersingenesis.org)