 Blank material in the IUPAC Gold Book

DOI10.1351/goldbook.08010. Official indexed definition and notes3–6 verified: material contains no or as little as possible analyte; distinguish blank material, indication, correction and procedural scope. Underlying Metrological and quality concepts in analytical chemistry(IUPAC Recommendations2021), PAC93,997, term on page1001. Direct HTML retrieval challenged; no full-paper inspection claimed.