Table 1 Instruments and equipment used for sample testing
Instrument | Model | Manufacturer |
---|---|---|
Micro-fading tester | Fadeometer | Instytut Fotonowy, Poland |
X-ray diffractometer | D8 Advance | Bruker, Germany |
Fourier transform infrared spectrometer | Nicolet iS10 | Thermo Scientific, USA |
Flat pen-type pH meter | PH5F | Shanghai Apera Instruments Co. Ltd., China |
Whiteness tester | WSB-1 | Hangzhou CHNSpec Technology Co. Ltd., China |