The critical surface tension of Polish c
β
Wiesz.xl;law WΓ³jcik; Tomasz Biaz.xl;lopiotrowicz; Bronisz.xl;law JaΕczuk
π
Article
π
1988
π
Elsevier Science
π
English
β 544 KB
## Measurement of the contact angle of water, glycerol, formamide. methylene iodide, cc-bromonaphthalene, ethylene glycol and its aqueous solutions was carried out on the surface of Polish coal of rank 3 1.1,3 1.2,32.1, 32.2,33,34 and 35. On the basis of these results, the critical surface tension