. Chemistry: general, medical, and pharmaceutical, including the chemistry of the U. S. Pharmacopia. A manual on the general principles of the science, and their applications in medicine and pharmacy. bove process is mainly to give hydrochloric acid,the latter acid (about 4 parts) and the black manganese oxide(about 1 part) may be used in making the gas, instead of salt,sulphuric acid, and black manganese oxide. This, the usualprocess, is that adopted in the British and United States Phar-macopoeias. Collection and Properties.—Free chlorine is a suffocating therefore must be observed
. Chemistry: general, medical, and pharmaceutical, including the chemistry of the U. S. Pharmacopia. A manual on the general principles of the science, and their applications in medicine and pharmacy. bove process is mainly to give hydrochloric acid,the latter acid (about 4 parts) and the black manganese oxide(about 1 part) may be used in making the gas, instead of salt,sulphuric acid, and black manganese oxide. This, the usualprocess, is that adopted in the British and United States Phar-macopoeias. Collection and Properties.—Free chlorine is a suffocating therefore must be observed in experimenting with thiselement. As soon as its penetrating odor indicates that it isescaping from the test-tube, the cork and delivery-tube (similarto that used in making oxygen) should be fitted on, and the gaspassed to the bottom of another test-tube containing water(Fig. 10). When thirty or forty small bubbles have passed,their evolution being assisted by slightly heating the generatingtube, the latter should be removed to the cupboard usually pro-vided in laboratories for performing operations with noxiousgases, or be dismounted and the contents carefully and rapidly Fig. 10. Fig.
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