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In the realm of chemicals: glacial acetic acid, anhydrous sodium hydrosulphite, sodium acetate, and sodium cacodylate are instances of noticeably low standard articles.
Custom and ignorance are sometimes responsible for many rejections. I n the case of a lot of verbena it was found that the seeding instead of the flowering tops were submitted. Yerba Santa was unacceptable because it had been gathered too late in the season and in thc case of galega the entire herb was collected instead of only the following tops.
Instances of carelessness that are occasionally encountered were noted in a shipment of iron arsenite and ammonium citrate that was proven to be plain iron arsenite and a shipment of calcium glycerophosphate that was labeled sodium glycerophosphate.
The following material covers the period from June 1, 1921, to June 1, 1922, and was taken from the analytical files of the H. K. Mulford Co., the Lawall, and the Smith, Kline & French Company laboratories.
ACID ACRTIC GLACIAL: One lot was rejected because of a reddish brown color caused by the presence of iron as an impurity.
ACID ACETYISA1,ICYLIC: This substance was subjected to the usual critical tests with the result that a number of undesirable packages and samples were rejected. A number of samples submitted by brokers were round to contain free salicylic acid; two of them were of quite undesirable quality, as, in addition to a pronounced amount of free salicylic acid, they had a distinct yellowish color and an abnormal odor.
It was not found necessary to reject any full shipments but only certain packages which were not satisfactory in regard to color or odor. It is interesting to note that in the many shipments examined the contents of only one barrel contained free salicylic acid. A new condition observed was the presence of brownish specks which gave a reaction for free salicylic acid.
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