1923] 



CAMP — CITRIC 



295 



Assoc. Offic. Agr. Chemists ('07). Official and provisional methods of analysis. 

 U. S. Dept. Agr. Bur. Chem. Bui. 107: 1-XXI1, 1-230./. 1-11. 1907. (See p. 



81). ; 



. ('19). Official and tentative methods of analysis. I -XII, 1-417. 



1919. (See p. 159). 



Ayers, S. H., and Rupp, P. ('IS). Simultaneous acid i 



mentations from dextrose and the salts of organic acids respectively. Jour. 



Infect. Dis. 23: 188-216. 1918. 

 Bacon, R. F., and Dunbar, P. B. ('11). Changes taking place during the spoilage 



of tomatoes, with methods for detecting spoilage in tomato products. U. S. 



Dept. Agr., Bur. Chem. Circ. 78: 1-15. 1911. 

 Bartholomew, E. T. ('23). Internal decline of lemons. II. Growth rate, water 



content, and acidity of lemons at different stages of maturity. Am 



Bot. 10: 117-126. 1923. 



Baumann, E. ('86). Ueber ein einfache Method e der Darstellung von Benzoe- 

 saureathern. Ber. d. deut. chem. Ges. 19: 3218-3222. 1886. 



Bear, F. E., and Salter, R. M. ('16). Methods in soil analysis. W. Va. Agr. Exp. 

 Sta., Tech. Bui. 159: 1-24. 1916. 



Bigelow, W. D., and Dunbar, P. B. ('17). The acid content of fruits. Jour. Ind. 

 and Eng. Chem. 9: 762-767. 1917. 



Blasdale, W. C. ( 7 18). Principles of quantitative analysis. 402 pp. 70 f. 1918. 



Burger, O. F. ('20). Decay in citrus fruits during transportation. Calif. Dept. 

 Agr., Monthly Bui. 9: 365-370. 1920. 



Butkewitsch, W. ('22). Uber die Bildung der Citronen- und Oxalsaure in den 

 Citromycee-Kulturen auf Zucker und das Verfahren zur quantitativen Bestim- 

 mung dieser Sauren. Biochem. Zeitschr. 131: 327-337. 1922. 



. ('22a). tiber den Verbrauch und die Bildung der Citronensaure in 



den Kulturen von Citromyces glaber auf Zucker. Ibid. 131 : 338-350. /. 3. 1922. 



Chace, E. M., Wilson, C. P., and Church, C. G. ('21). The composition of Cali- 

 fornia lemons. U. S. Dept. Agr., Bur. Chem. Bui. 993: 1-18. /. 1-4. 1921. 



Clark, W. M. ('20). The determination of hydrogen ions. 317 pp. 38 /. 1920. 



Colby, E. ('92). Analyses of California oranges and lemons. Calif. Agr. Exp. 



Sta., Rept. 1892-94: 240-256. 1894. 

 Collison, S. C. ('13). Sugar and acid in oranges and grapefruit. Univ. Fla. Agr. 



Exp. Sta., Bui. 115: 1-23. 1913. 

 Creuse, J. ('72). On the estimation of citric acid, free and combined, and a new 



series of compound citrates. Chem. News 26: 50-52. 1872. 



Currie, J. N. ('17). The citric acid fermentation of Aspergillus niger. Jour. 



Biol. Chem. 31: 15-37. 1917. 

 f an d Thorn, C. ('IS). An oxalic acid producing Penicillium. Ibid. 



22: 287-293. 1915. 

 Davis, C. E., Oakes, E. T., and Salisbury, H. M. ('23). Titration curves for some 



common acids and bases as determined by the hydrogen electrode. Jour. 



Ind. and Eng. Chem. 15: 182-185. /. 1. 1923. 

 Deniges, G. ('98). Sur les fonctions organiques pouvant se combiner au sulfate 



mercurique. Cas des acetones. Compt. Rend. Acad. Paris 126: 1868-1871. 



1898. 



. ('98a). Combinaison, recherche et dosage de Tacetone ordinaire avec 



le sulfate mercurique. Ibid. 127: 963-965. 1898. 



A 



