共 8 条
- [1] ASMUS E, 1953, ZTSCHR ANAL CHEM, V138, P414
- [3] Analyses from the organic laboratory of the Technical Highschool of Dresden. LXIX Concerning a new class of pigments derived from pyridin [J]. JOURNAL FUR PRAKTISCHE CHEMIE-LEIPZIG, 1904, 69 (03): : 105 - 137
- [7] 1971, STANDARD METHODS 207
- [8] 1980, STANDARD METHODS 412