Determination of Micronutrient in Soil | DTPA Method + AAS Explained

Determination of Micronutrients (Fe, Mn, Zn, Cu) in Soil using DTPA and Atomic Absorption Spectrophotometer (AAS) by LIndsay and Norvell (1978) This video covers: ✅ Principle of micronutrient estimation using DTPA extraction ✅ Reagents and their role in the procedure ✅ Use of Atomic Absorption Spectrophotometer (AAS) for micronutrient analysis ✅ Critical limits of Fe, Mn, Zn, Cu in soil ✅ Step-by-step procedure of the DTPA extraction method 🔬 This video is designed for students of Soil Science, Agriculture, and Environmental Science, as well as competitive exam aspirants preparing for ICAR, JRF, SRF, ARS, and NET. --- 🎥 *WATCH THIS VIDEO FOR BETTER UNDERSTANDING* –    • Determination of available soil micronutri...   📖 Download PDF Notes: 👉 https://drive.google.com/file/d/1Zc5t... 📂 *Watch Previous Soil Science Practical Playlist:*    • ANALYTICAL CHEMISTRY   --- ⏰ Timecodes 0:00 – Introduction 1:10 – What is DTPA ? 3:15 – trick to learn DTPA concentrations 4:48 – Why we choose DTPA ? 6:02 – Avoid dissolution of CaCO3 ? 8:12 – Use of TEA CaCl2 in DTPA extractant 10:55 – important note 14:11 – Summary of concepts 14:46 - Working of Atomic Absorption Spectrophotometer (AAS) 19:47 - Reagents 23:21 - how to make working standard solution for DTPA method 25:15 - Procedure of LIndsay and Norvell (1978) 27:21 - very important 29:02 - critical limits of micronutrients in soil ppm 29:36 - calculations --- 🏷️ Tags: DTPA soil extraction, Micronutrient estimation in soil, Soil micronutrients by AAS, Soil Fe Mn Zn Cu test, Soil testing practical, Soil fertility analysis, Soil chemistry practical, Agriculture practicals, Soil science practical class, Soil nutrient estimation, Soil test by DTPA 🔖 Hashtags: #icarjrf #SoilScience #SoilTesting #Micronutrients #DTPA #AAS #SoilFertility #SoilPractical --- 📌 IMPORTANT PLAYLISTS: 🌱 *Soil Biology and Biochemistry:*    • SOIL BIOLOGY AND BIOCHEMISTRY   🌾 *Soil Fertility:*    • SOIL FERTILITY   💧 *Soil Water:*    • SOIL WATER   🌍 *Pedology:*    • Pedology   Soil physics -    • SOIL PHYSICS   🌿 *Mineral Nutrition in Plants:*    • MINERAL NUTRITION IN PLANTS   📌 *Follow Us on Instagram:* https://www.instagram.com/agricultura... --- 👉 Don’t forget to *Like, Share & Subscribe* for more Soil Science Practicals and Lectures. ---