Analysis of paint vehicles, japans and varnishes (1920)
Holley, Clifford Dyer · New York : J. Wiley ; London : Chapman & Hall · leaf 188
174 PAINT VEHICLES, JAPANS AND VARNISHES The percentage of rosin is determined as follows: Iodine number of shellac = 18 Iodine number of rosin = 228 Iodine number of mixture = X t> > f • (X - 18) Percentage of rosm (228 - 18) 277. Insoluble test for shellac.1 The separation of the soluble from the… … Fig. 8. — Apparatus for the 278. Apparatus. The Insoluble Test for Shellac most convenient appa- ratus for carrying out the process is illustrated in Fig. 8. It consists of a wide-neck flask in which is suspended a metal return condenser. From the lower part of this condenser is hung a siphon tube…
Paint · Japanning · Varnish and varnishing
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
