共 7 条
- [1] SOFTENING POINT OF TALL OIL ROSIN AND PITCH DETERMINED WITH A RING AND BALL APPARATUS SVENSK PAPPERSTIDNING-NORDISK CELLULOSA, 1969, 72 (02): : 42 - &
- [2] SOFTENING POINT OF TALL OIL ROSIN AND PITCH DETERMINED WITH A RING AND BALL APPARATUS NORSK SKOGINDUSTRI, 1969, 23 (01): : 19 - &
- [4] INTERACTION OF ALUMINUM IONS WITH DISPERSIONS OF ROSIN AND OF TALL-OIL PITCH JOURNAL OF APPLIED CHEMISTRY OF THE USSR, 1978, 51 (03): : 663 - 665
- [6] The ring and ball method of test for softening point of bituminous materials, resins, and similar substances BUREAU OF STANDARDS JOURNAL OF RESEARCH, 1930, 4 (1-3): : 195 - 201