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- [4] DETERMINATION OF SMALL AMOUNTS OF OXYGEN IN ORGANIC COMPOUNDS JOURNAL OF RESEARCH OF THE NATIONAL BUREAU OF STANDARDS, 1948, 40 (06): : 443 - 447
- [6] THE DETERMINATION OF SMALL AMOUNTS OF SULPHUR IN ORGANIC COMPOUNDS JOURNAL OF THE SOCIETY OF CHEMICAL INDUSTRY-LONDON, 1950, 69 (03): : 79 - 82
- [7] SUCCESSIVE COLORIMETRIC DETERMINATION OF SMALL AMOUNTS OF COBALT COPPER AND NICKEL JAPAN ANALYST, 1971, 20 (12): : 1565 - &
- [9] Polarographic determination of nickel and cobalt - Simultaneous determination in presence of iron, copper, chromium, and manganese, and determination of small amounts of nickel in cobalt compounds INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1941, 13 : 0077 - 0080