共 50 条
- [21] Colorimetric determination of phosphorus in iron ore INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1941, 13 : 0081 - 0083
- [24] Notes on use of glass color standards for determination of phosphorus by deniges colorimetric method INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1931, 3 : 0282 - 0284
- [26] Colorimetric determination of phosphorus in steel and cast iron JOURNAL OF RESEARCH OF THE NATIONAL BUREAU OF STANDARDS, 1941, 26 (05): : 405 - 413