Part II.] Pearson: Antiseptic Treatment of Timber . 
93 
( 13 ) other antiseptics. 
Many other antiseptic solutions are on the market ; as little is as 
yet known of their value under Indian conditions they are here only 
mentioned for future reference. 
Zinc-chloride and Sodium-eltjoride. 
(a) Zinc-chloride 1 and sodium-fluoride mixed in equal quantities is 
strongly recommended by Hauptmann B. Malenkovic. The strength of 
the solution necessary is 3*5 per cent. ZnCl and 3*5 per cent. NaF., 
and a period of immersion of 8 days is advocated. It is an extremely 
cheap process, and if it affords protection to timber as stated, it should be 
of value in India. 
B^llitol. 
(b) Bellitol 2 is a 2 per cent, solution of Dinitro-benzol and mineral 
oil (boiling point 300°C.). It is used in the same way as Bdllit. 
Hylinit. 
(c) Hylinit 3 is one of the many antiseptic solutions on the market; 
its composition is not known, nor are any records available of its use 
in India. The strength of the solution recommended, when the timber 
is treated by immersion, is 5 per cent., the period of soaking being 
24 hours. 
Anthrol. 
(d) Anthrol 4 is a patent antiseptic solution used for the preservation 
of timber, masonry work, leather, ropes, canvas, etc. It oan be used 
1 Sodium-fluoride is obtainable from the Oesterreichischer Verein fur Chemische 
und Metallurgische Producten, Aussig A/E Austria. Zinc-chloride can be obtained 
from any wholesale chemist in India. 
2 Bellitol can be obtained from the Chemical Factory at Griesheim, Frankfurt A/M, 
Germany, while the oil from Burma will answer the purpose of mineral oil. 
3 “ Hylinit ” is obtained from the Cartvale Chemical Co., Ltd., Paisley, England. 
It costs £3-5-0 per cwt. in lots of 10 cwt. and upwards, c. i. f, U. K. ports. 
4 “ Anthrol” is obtained from the Anthrol Co., Strathclyde Works, Kinning Park, 
Glasgow. Cost £0-1-6 per gallon,/, o. b., Glasgow, if taken in 40 gallon casks. 
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