News from Slovenská chemická knižnica Change of library opening hours From March 11, 2024, the library's opening hours will be changed. The library is open from 6:30 a.m. to 7:00 p.m. until the end of the exam period. We believe that the change will provide you with more flexibility and allow you to use library services more efficiently. Extension of loans You can extend your loans in the SCHK catalog when logged in. A loan extension request is allowed 30 days before the return date.