Linseis Software for
Thermobalances

Copper sulfide/Pentahydrate

Picture 4: TGA/DTA/DTG curves of Copper-sulfide/Pentahydrate

Picture 4 shows the dehydration of Copper-sulfide/Pentahydrate. This measurement is one of the classical tests for the performance of a TG/DTA/DTG instrument. It is especially suited for the calibration of the balance. The measured values in picture 1 reflects the chemistry Of CuSO₄,5H₂O.

Porcelain industry

Picture 5: measurement of Kaolinit

The knowledge about the content of Kaolinit is an important parameter for the quality control in the porcelain manufacturing industry. This is especially so as the complex mixture of raw materials differ depending on origin. The TG/DTA/DTG method was introduced for these measurements for the porcelain industry during the early stages of thermogravimetric analysis Here TGA measurements were used as semiquantitative analysis and as a comparison to local standards (foot print). The TG/DTA/DTG measurement of a sample of Kaolinit is shown in picture 5.

Building ceramics, tiles, bricks etc.

Picture 6: measurement with rawmaterial for bricks

Picture 6 shows the TG/DTG measurements that were done on a mixture of raw materials for the brick and tile industry. These measurements provide quick information about the contents of the raw material as well as the quantitative part of single raw material components. The DTG curve shows on top that the sample contains 2 to 3 more active components in the temperature range between 350°C and 700°C, after the crystal water has been evaporated.

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