REAGENT or RESOURCE	SOURCE	IDENTIFIER
Other
MAX phase (Ti3AlC2)	Luoyang Tongrun Nano Technology Co. Ltd., China	https://www.alibaba.com/product-detail/Max-Phase-Titanium-Aluminum-Carbide-Powder_1600216351996.html?spm=a2700.shop_index.89.1.30061495fwVBMS
Hydrofluoric acid (HF)	Sigma-Aldrich	Cat#7664393
Dimethyl sulfoxide (DMSO)	Sigma-Aldrich	Cat#67685
Potassium sulfate (K2SO4)	Sigma-Aldrich	Cat#7778805
Sulfamic acid (H3NSO3)	Sigma-Aldrich	Cat#5329146
p-aminobenzensulfonamide (C6H8N2O2S)	Sigma-Aldrich	Cat#9863741
Zinc acetate (Zn(CH3COO)2	Sigma-Aldrich	Cat#5970456
Potassium nitrate (KNO3)	Sigma-Aldrich	Cat#7757791
Potassium nitrite (KNO2)	Sigma-Aldrich	Cat#7758090
Phosphoric acid (H3PO4)	Sigma-Aldrich	Cat#7664382
Sodium potassium tartrate (C4H4KNaO6)	Sigma-Aldrich	Cat#6381595
Nessler’s reagent	Sigma-Aldrich	Cat#7783337
Potassium hydroxide (KOH), 85%	Thermal Fisher	Cat#1310583
N-(1-Naphthyl)-ethylenediamine dihydrochloride, (C12H16Cl2N2) >98%	Thermal Fisher	Cat#1465254
Hydrogen peroxide (H2O2) 35% w/w aq. soln., stab.	Thermal Fisher	Cat#7722841
Potassium permanganate (KMnO4)	Weng Jiang Reagent	Cat#7722647
Ethanol (C2H5OH)	Duc Giang Chemicals Group, Vietnam	https://ducgiangchem.vn/en/category/san-pham/pure-chemicals/
Isopropanol (C3H7OH)	VietChem, Vietnam	https://vietchem.com.vn/san-pham/isopropyl-alcohol--ipa-99--c3h8o-singapore-163kg-phuy.html
Sulfuric acid (H2SO4), 97%	Samchun Chemical Co., Ltd., South Korea	Cat#005S1430
Hydrochloric acid (HCl), 35.0–37.0%	Samchun Chemical Co., Ltd., South Korea	Cat#005H0256
Carbon cloth	Suzhou Sinero Technology Co., Ltd, China	W0S1011