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This tenth of specifications from 224 to 245 as of January 1965. The natural products monographs added since the last revieware: No. 229 Oil cedarwood atlas 238 Oleoresin cloves 239 Oleoresin paprika 240 Oleoresin black pepper 241 Oleoresin mace 242 Oleoresin celery 243 Oleoresin ginger 244 Oleoresin capsicum 245 Oleoresin red pepper Specifications for the follow-ing aromatics were issued : No. 225 Linalyl acetate-synthetic 226 Linalool-synthetic 227 Citronellal 228 Methyl benzyl acetate 230 Ethyl heptoate 231 p-Cresyl phenyl acetate 232 p-Cresyl isobutyrate 233 Terpinyl propionate 234 Santalol 235 Decahydro beta naphthol 236 Ethyl salicylate 237 Benzyl isoeugenol Specifications for three essential oils and three aromatic chemicals were rewritten: No. 14 Oil citronella Java type 23 Oil patchouly 32 Oil spruce 21 Indole 27 Amyl salicylate 28 Benzyl acetate Specifications were revised for six essential oils and six aromatic chemicals under R-10 to R-13. No. 2 Oil bois de rose Brazilian 7 Oil lemongrass 49 Oil geranium reunion 50 Oil Siberian fir needle 137 Oil galbanum 215 Oil bitter almond ffpa 26 Aldehyde C-10 35 Dimethyl anthranilate 109 Aldehyde C-16 (so-called) 127 Cedryl acetate 203 Methyl cinnamic alcohol 211 Anisyl acetate New test procedures w-ere added to Notes for Specifications and Standards:l-ID-3 Gas Chromatographic Analysis.A determination based on ID-3 was added toNo. 16 Geranoil.The Analyst (157), compared drying agents for essential oils and found MgSCh to be superior.Individual Essential Oils. From Abies sibirica oil Porsch and Farnow (552) isolated tricyclene and established its structure. Sesquiterpenes from the same plant were identified by Chirkova and Pentegova (93).The oil of Achryocline satureioides was investigated by Ricciardi, Cassano, and Burgos (573) and some of its constituents were identified.The composition of agarwood oil was examined by Jain, Maheshwari, and Bhattacharyya (294), and Maheshwari et al. (391, 392) isolated and characterized several sesquiterpenic furans from the oil.Benzyl acetate and benzoate were found in the oil from Albizzia lebbeck flowers by Jain and Mishra (293).The properties of the oil of Alpinia galanga were ascertained by Trabaud (716) who identified several of its main constituents. Nigam and Radhakrishnan (483,484) reported quite different properties for an oil from the same