Gypsum has three different phases in its natural form.
Gypsum, in its natural form, comes in three different sulfate phases, gypsum, hemi-hydrate, and anhydrite. The three phases have different solubility properties and it is difficult to determine these phases through elemental analysis; therefore, a quantitative phase analysis is used.
Purpose of Gypsum Phase Analysis
Analyzing the mineralogical composition of gypsum is important in the cement industry. Knowing the phase of gypsum is required for developing cement because the cement's performance relies on the phase or properties of the minerals involved. Quantifying the phases of gypsum can lead to a more proficient and reliable cement product.
Quantitative Phase Analysis
Quantitative phase analysis uses X-ray powder diffraction and TOPAS Rietveld analysis to analyze minerals such as gypsum. X-ray powder diffraction is conducted using a device called the D2 phaser. The D2 phaser can analyze crystalline material and output the data into your desktop computer. TOPAS Rietveld analysis is the software used in the analysis.
Benefits of Quantitative Analysis
Using quantitative analysis is easy and quick. The phaser systems are usually portable desktop instruments that output data quickly onto your computer for users to manipulate in a step-by-step guide. In addition, the performance of outputting data has high quality for measurements and analytical methods.
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