Presentasi hasil kajian kandungan timbal dalam cat enamel di Indonesia dan Asia. Sekitar 77% hasil sampel cat di Indonesia mengandung timbal di atas nilai aman, 90 ppm. Cat-cat…
1. Sample of Completed Projects Helen Johnson Salve Regina University, B.A. CHP 2007 University of Pennsylvania, M.S. HSPV 2010 2. Project: Architectural Investigation and…
Slide 1 Slide 2 Slide 3 Slide 4 What is Chromatography? Derived from the Greek word Chroma meaning colour, chromatography provides a way to identify unknown compounds and…
Paper Chromatography What is Chromatography? Derived from the Greek word Chroma meaning colour, chromatography provides a way to identify unknown compounds and separate mixtures…