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Anton Paar Stage - BTS 500

Anton Paar heating stage (BTS 500 - Benchtop Heating Stage) is a non-ambient sample stage for X-ray powder diffraction that allows temperature-controlled experiments. The sample chamber is mounted on the goniometer instead of the standard (ambient) sample holder to heat the sample to a defined temperature while scanning it with X-rays.

BTS 500 enables X-ray scans to be performed from ambient temperature to 500 °C. The sample can be heated in a vacuum or a different gas atmosphere.

The sample temperature is controlled by an integrated control unit equipped with a keypad.

Opened chamber with the sample holder.

Anton Paar heating stage installed on the instrument
Anton Paar stage installed in Powder XRD instrument. Sample loading position
Anton Paar stage installed in Powder XRD instrument. Measurement position. Remember to adjust the position of flexible gas tubes correctly.

Schematic set-up

Measurement set-up

Arduino-based controller that defines the nitrogen flow through the cell
Arduino-controlled MFC regulator.
Bubbles installed inside the N₂ extraction box.

Sample stage service

Like many other things, the Anton Paar heating stage requires regular inspection and service. The fixing clamps can be uncrewed, and the Kapton foil can be removed. Clean or replace the Kapton foil if necessary. Inspect the chamber for deposits. Clean the surroundings with cotton swabs and IPA, if necessary.

Visible deposits after prolonged usage.
Used Kapton foil that requires cleaning.
Opened chamber after cleaning.
Opened chamber after cleaning.