Reference materials


Reference material and equipment

275 Reference materials are essential in the calibration of instruments and to assess a measurement method. About the IPTA project, the DCC GmbH provides the following reference materials to improve the precision, accuracy and precision in the analysis of solid fuels or from plant by-products:


#1000 Hardcoal IPTA-Green      (<3 mm, approx. 50g)
#1000 Hardcoal IPTA-Blue          (<3 mm , approx. 50g)
#1000 Hardcoal IPTA-Yellow        (<3 mm, approx. 50g)
#1000 Hardcoal IPTA-Red           (<3 mm, approx. 50g)
#1000 Hardcoal IPTA MAGENTA (<3 mm. approx. 50g)
#1002 LigniteIPTA BROWN          (<3 mm. approx. 50g)
#1003 Coke IPTA-Silver                 (<3 mm, approx. 50g)
#1007A  Coal ash IPTA Black            (<0.1 mm, approx. 10g)
#1007B  Brown coal ash IPTA Brown (<0.1 mm, 10 g)
#1007C Wood ash IPTA                     (<0.1 mm, approx. 10g)

For order please use the order-form: Oder here

Retain samples

276 For training and practice purposes, we offer our test samples from older DCC proficiency tests for purchase. In addition to the test object, you will receive a complete evaluation with the precision data from the proficiency test as a PDF-document by e-mail. Statistical evaluation of the data is done on the basis of methods of robust statistics (Hampel estimator, Q-method, is defined in ISO/ TS 20612 (2007) and DIN 38402-A45 (09-2013). The order lists are constantly updated.

Shipping while supplies last.

For order please use the order-form: Order here