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Showing posts with the label #HPTLC #TLC #nabl #tamilnadutesthouse #testinglab

HPTLC Identification: Total Organic Carbon (TOC) Analysis

  Total Organic Carbon (TOC) Analysis A key parameter to measure organic contamination in water 💧 🔍 Procedure: Sample is acidified to remove inorganic carbon (like carbonates). It’s then oxidized (chemically or by combustion). The resulting CO₂ is measured to determine the TOC level. 📊 Why It Matters? TOC indicates water purity & helps monitor environmental and industrial processes 🌱🌍 ✅ Common in: Pharma | Environmental Testing | Drinking Water Analysis Read More : https://tamilnadutesthouse.com/hptlc-testing-lab/

What are the key indicators of soil quality for agriculture land?

Soil quality is essential for  agricultural productivity and sustainability. Key indicators of soil quality for agricultural land are: Physical indicators. Soil Texture: The proportions of sand, silt, and clay influence water retention, drainage, and root penetration. Soil Structure: The arrangement of soil particles in aggregates influences water infiltration, root growth, and aeration. High bulk density may indicate soil compaction, which inhibits root growth and reduces water infiltration. Porosity: The number and size of pores in the soil determine its ability to hold and transmit water and air. Water holding capacity refers to the soil's ability to retain water for plant use. Soil Depth: The depth of the topsoil layer is critical for root growth and nutrient availability. Chemical indicators. Soil pH affects nutrient availability and microbial activity. Most crops prefer a pH between 6-7.5. Nutrient Content: Essential nutrient levels include nitrogen (N), phosphorus (P), ...

How do you Analyse vitamin content in food?

Analyzing the vitamin content in food involves several laboratory techniques. Here's an overview of the common methods used High-Performance Liquid Chromatography (HPLC):  HPLC is a widely used technique for analyzing vitamins, particularly water-soluble vitamins like vitamin C (ascorbic acid), B vitamins (thiamine, riboflavin, niacin, etc.), and fat-soluble vitamins like vitamins A, D, E, and K. This method separates and quantifies individual vitamins based on their chemical properties. Liquid Chromatography-Mass Spectrometry (LC-MS):  LC-MS combines chromatography with mass spectrometry detection to analyze and quantify vitamins in food samples. It offers high sensitivity and selectivity and can be used for both water-soluble and fat-soluble vitamins. UV-Visible Spectrophotometry: UV-visible spectrophotometry is commonly used for analyzing vitamin concentrations, particularly for vitamin A (retinol) and vitamin E (tocopherol), which absorb UV or visible light at specific wav...