1. Different results arising from two types of thiochrome assays of thiamin in the thiamin-tannic acid reaction
B. PANIJPAN and P. VILARTSAKDANON

2. Fast neutron bombardment of 64ni and decay of 64co
PRASIT CHAROENKWAN

3. Interaction of gibbon antibody with primate and non-primate complements
SIRICHAI CHAICHANAWONG and STITAYA SIRISINHA

4. Volumes of actvation for the reduction of chloropentaammine-cobalt (iii) by iron (ii) from high pressure solution kinetics the influence of an iron (d)-sulphate ion preequilibrium
SURAPONG SUVACHITTANONT