For citations:
Aliyeva F.S., Mamedova F.O., Bahmanova F.N., Yusibov Yu.A., Chyragov F.M. Photometric determination of copper (II) microquantities in pyrite. Industrial laboratory. Diagnostics of materials. 2019;85(10):23-28. (In Russ.) https://doi.org/10.26896/1028-6861-2019-85-10-23-28