Semi-micro analysis
Semi-micro System: Semi- micro analysis is the analysis of substances with a mass in the micro-scale. For semi-micro analytical method, 0.1-0.5 g sample is required for analysis. Volume of the…
Heavy Metal Pollution: Chromium
After studying this lecture, you will be able to: Know the importance of Cr(III) and which oxidation of Cr between +3 and +6 is more toxic. Discuss the sources of…
Lithosphere
After finishing this lecture you will be able: Know the five soil forming factors, and understand how they influence on soil properties Learn about the types and textures of soil…