Quantitative 1H NMR methodology for purity assay with high accuracy Tongtong WangQuanhui LiuMengrui Yang General Paper 13 September 2023 Pages: 253 - 260
Improvement of the quality of analytical results generated by GC/MS method for characterization of Helichrysum italicum (Roth) G. Don essential oil Katarina Hafner-VukVladimir MilojevićMilica Krajišnik Research 19 September 2023 Pages: 261 - 270
Development of benzene, toluene, ethyl benzene, m-xylene, p-xylene and o-xylene (BTEX) gas reference standards for air pollution monitoring in South Africa Napo NtsasaJames TshilongoPatricia Forbes Research Open access 25 September 2023 Pages: 271 - 278
Estimation of uncertainty from duplicate measurements: new quantification procedure in the case of concentration-dependent precision Václav SynekSylvie Kříženecká Research Open access 31 October 2023 Pages: 279 - 298
Development of Certified Reference Materials of Trace Elements in Gold Solution (GBW02797–GBW02800) Jianying ZhangYanjie CuiXingjiao Huang Research 16 November 2023 Pages: 299 - 310
Certification and long-term stability of bromate ion standard solution Toshiaki Asakai Practitioner's Report 19 September 2023 Pages: 311 - 316