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Stated meeting held Tuesday, November 17, 1891
448
C/lemical
Sectio1~.
[ J. F. I.,
tion urged against the carrying of a quantity of inert gas, necessitating very large mains, disappears. [ am about introducing this system into a block of buildings ~n New York City as an experiment, and shall be h a p p y to give you, at a future time, the results of that experiment. PROCEEDINC~S OF
THE
~ H E M I C A L
SECTION
Ot*" T I - I ~
I~RAN KLI N I N~TIT
UTI~.
[~£lated meeling ke/d Tuesday, November :7, ~89:.] HALL OF THE FRANKLIN INSTITUTE, PHILADELPHIA, N o v e m b e r I7, 189][. Dr. W. H. WAHL, President, in the chair. Nominations of officers to serve during the coining year were made, a s required by the by-laws. In the cases of President, Secretary, Treasurer and Conservator, t h e present incumbents, namely, Dr. Win. H. W a h l , President and Conservator; Dr. Win. C. D,ly, Secretary; Dr. H. W. Jayne, Treasurer, were r e - n o m i n a t e d . Dr. E. F. Smith a n d Dr. Wm. H. Greene were n o m i n a t e d as Vice-Presidents. T h e following nominations for m e m b e r s h i p in the Section were m a d e , viz : Mr. Geo. W. Whyte, of the C a m d e n Iron Works, Camden, N. J.; Mr. Alfred N. Seal, 4J7 Locust Street, Philadelphia ; Dr. H e r b e r t M. K a u f i n a n n , I325 F r a n k l i n Street, Philadelphia, a n d Mr. S. W. Young, of S w a r t h m o r e College, Pa. These n o m i n a t i o n s were referred to the Committee on Admissions, by whom they were favorably considered, and the persons n a m e d were declared elected. Letters of resignation from Mr, Everett W : Frazer, at present of Nev¢ York City, a n d Mr. A. A. Moore, of the F r a n k l i n Sugar Refinery, Philadelphia, were read, a n d the resignations were accepted. A letter from Mr. M. Carey Lea was read, t r a n s m i t t i n g to the Section t h e gift of a collection of his published papers on allotropic forms of silver a n d a set of s p e c i m e n s of the various modifications of the e l e m e n t which he h a d prepared. T h e y were e x a m i n e d with m u c h interest by the members present, and, on motion, the Secretary was directed to write Mr. Lea a letter of thanks, c o n v e y i n g t h e Section's appreciation of the gift. A n u m b e r of bills for subscription to journals a n d also for postage a n d e x p e n s e s incurred in sending out notices, were referred to the F i n a n c e Committee ; they were indorsed by the committee, a n d p a y m e n t was authorized. Mr. Lee K. F r a n k e l read a paper " T h e Oxidation of the MetaLlic
CheJm'cal Sectzon.
Dec., I89I.]
449
Arsenides by the Electric Current." T h e paper was listened to with interest, and was referred for publication in the Journal This was followed by one from Mr. Otto Liithy, on " C a r b o n i c Acid Deters mination." Specimens of potash pumice a n d other materials discussed in the paper were submitted for inspection. T h e paper was referred for publication, a n d the author stated that at the next meeting he would present t h e results of a further prosecution of the investigation. Adjourned. Writ. C. DAY, Secretary.
I. "Ptt~ I O D A q ' I O N oI~'p-BROMOBENZOIC ACID. II. S A L T S ot,'p-BROMO-m-NITROBENZOtC ACID. BY OLIVER HOUGH.
[Read at/he staled mce/z)U~, /zeld Oc/ober zo, zg9L ]
It is s t a t e d by \Vc~elsky (AJmalen, 174, 99) t h a t the m e t h o d of iodation r e c o m m e n d e d by him is nor applicable in the case of bromobenzenc, or benzoic acid. Believing t h a t possibly a different result m i g h t be obtained w i t h bromobenzoic acid, in which two hydrogen atoms are replaced b y different substituents, the following experiments were m a d e : (i) T e n g r a m s of p-bromobenzoie acid, dissolved in alcohol, were h e a t e d with t h e calculated a m o u n t s of iodine and mercuric oxide. T h e product was heated with an aqueous solution of sodium carbonate, and filtered while hot. H y d r o c h l o r i c acid was added to the cold solution, and the liberated organic acid converted into its b a r i u m salt. Analysis s h o w e d it to be the b a r i u m salt of p-bromobenzoie acid. T h e iodation h a d not been effeeted. (2) St was s u g g e s t e d t h a t possibly the iodation had really occurred, b u t t h a t the sodium carbonate h a d again r e m o v e d t h e iodine. 'I?o ascertain w h e t h e r such was really the case, t h e acid after t r e a t m e n t was digested i m m e d i a t e l y w i t h b a r i u m carbonate. T h e resulting salt proved to be p-bromobenzoate of barium. (3) A t h i r d e x p e r i m e n t was equally fruitless. Finally, the p-bromo-aeid, in alcoholic solution, was heated t o g e t h e r w i t h iodine and mercuric oxide, in a sealed tube. Th6 temp e r a t u r e of the oven was 150 ° C. Iodine was not introduced into the acid even in this way. VOL. C X X X I I .
29
C/lemical
Sectio1~.
[ J. F. I.,
tion urged against the carrying of a quantity of inert gas, necessitating very large mains, disappears. [ am about introducing this system into a block of buildings ~n New York City as an experiment, and shall be h a p p y to give you, at a future time, the results of that experiment. PROCEEDINC~S OF
THE
~ H E M I C A L
SECTION
Ot*" T I - I ~
I~RAN KLI N I N~TIT
UTI~.
[~£lated meeling ke/d Tuesday, November :7, ~89:.] HALL OF THE FRANKLIN INSTITUTE, PHILADELPHIA, N o v e m b e r I7, 189][. Dr. W. H. WAHL, President, in the chair. Nominations of officers to serve during the coining year were made, a s required by the by-laws. In the cases of President, Secretary, Treasurer and Conservator, t h e present incumbents, namely, Dr. Win. H. W a h l , President and Conservator; Dr. Win. C. D,ly, Secretary; Dr. H. W. Jayne, Treasurer, were r e - n o m i n a t e d . Dr. E. F. Smith a n d Dr. Wm. H. Greene were n o m i n a t e d as Vice-Presidents. T h e following nominations for m e m b e r s h i p in the Section were m a d e , viz : Mr. Geo. W. Whyte, of the C a m d e n Iron Works, Camden, N. J.; Mr. Alfred N. Seal, 4J7 Locust Street, Philadelphia ; Dr. H e r b e r t M. K a u f i n a n n , I325 F r a n k l i n Street, Philadelphia, a n d Mr. S. W. Young, of S w a r t h m o r e College, Pa. These n o m i n a t i o n s were referred to the Committee on Admissions, by whom they were favorably considered, and the persons n a m e d were declared elected. Letters of resignation from Mr, Everett W : Frazer, at present of Nev¢ York City, a n d Mr. A. A. Moore, of the F r a n k l i n Sugar Refinery, Philadelphia, were read, a n d the resignations were accepted. A letter from Mr. M. Carey Lea was read, t r a n s m i t t i n g to the Section t h e gift of a collection of his published papers on allotropic forms of silver a n d a set of s p e c i m e n s of the various modifications of the e l e m e n t which he h a d prepared. T h e y were e x a m i n e d with m u c h interest by the members present, and, on motion, the Secretary was directed to write Mr. Lea a letter of thanks, c o n v e y i n g t h e Section's appreciation of the gift. A n u m b e r of bills for subscription to journals a n d also for postage a n d e x p e n s e s incurred in sending out notices, were referred to the F i n a n c e Committee ; they were indorsed by the committee, a n d p a y m e n t was authorized. Mr. Lee K. F r a n k e l read a paper " T h e Oxidation of the MetaLlic
CheJm'cal Sectzon.
Dec., I89I.]
449
Arsenides by the Electric Current." T h e paper was listened to with interest, and was referred for publication in the Journal This was followed by one from Mr. Otto Liithy, on " C a r b o n i c Acid Deters mination." Specimens of potash pumice a n d other materials discussed in the paper were submitted for inspection. T h e paper was referred for publication, a n d the author stated that at the next meeting he would present t h e results of a further prosecution of the investigation. Adjourned. Writ. C. DAY, Secretary.
I. "Ptt~ I O D A q ' I O N oI~'p-BROMOBENZOIC ACID. II. S A L T S ot,'p-BROMO-m-NITROBENZOtC ACID. BY OLIVER HOUGH.
[Read at/he staled mce/z)U~, /zeld Oc/ober zo, zg9L ]
It is s t a t e d by \Vc~elsky (AJmalen, 174, 99) t h a t the m e t h o d of iodation r e c o m m e n d e d by him is nor applicable in the case of bromobenzenc, or benzoic acid. Believing t h a t possibly a different result m i g h t be obtained w i t h bromobenzoic acid, in which two hydrogen atoms are replaced b y different substituents, the following experiments were m a d e : (i) T e n g r a m s of p-bromobenzoie acid, dissolved in alcohol, were h e a t e d with t h e calculated a m o u n t s of iodine and mercuric oxide. T h e product was heated with an aqueous solution of sodium carbonate, and filtered while hot. H y d r o c h l o r i c acid was added to the cold solution, and the liberated organic acid converted into its b a r i u m salt. Analysis s h o w e d it to be the b a r i u m salt of p-bromobenzoie acid. T h e iodation h a d not been effeeted. (2) St was s u g g e s t e d t h a t possibly the iodation had really occurred, b u t t h a t the sodium carbonate h a d again r e m o v e d t h e iodine. 'I?o ascertain w h e t h e r such was really the case, t h e acid after t r e a t m e n t was digested i m m e d i a t e l y w i t h b a r i u m carbonate. T h e resulting salt proved to be p-bromobenzoate of barium. (3) A t h i r d e x p e r i m e n t was equally fruitless. Finally, the p-bromo-aeid, in alcoholic solution, was heated t o g e t h e r w i t h iodine and mercuric oxide, in a sealed tube. Th6 temp e r a t u r e of the oven was 150 ° C. Iodine was not introduced into the acid even in this way. VOL. C X X X I I .
29