The Performance of Iraqi Bentonite Using Soda Ash and Caustic Soda Additives

The larynx and caustic soda ingestion.

Pneumothorax following inhalation of caustic soda fumes.

new family home. He accidentally leant over the bucket and inhaled the fumes produced by the solution. Five minutes after the inhalation, he developed persistent pleuritic, right-sided chest pain and breathlessness. There was no personal or family history of pulmonary disease, and he had never smoked. Physical abnormalities were confined to the chest. He had a respiratory rate of 30 a minute an...

Regeneration of Caustic Soda Etch Solutions for Aluminum

A system for the regeneratlon of caustic soda solutlons used In etching aluminum Invokes the hydrolysis of sodium aluminate to llberate free sodium hydroxide and produce a dry, crystalllne hydrated alumlna byproduct. The system has been used extenslvely In Japan, and, by adjusting process parameters, can be adapted to North American practice. By otlllting the system in a typical plant, soild ai...

Perforation of the nasal septum due to soda ash.

Perforation of the nasal septum as a direct result of occupation has been recognized since the days of Rammazzini (Wampler, 1943). However, the unspectacular nature of the symptoms and its self-limiting nature have so conspired together to keep the condition from the public eye as to make references to it in the literature both few and cursory. Particularly is this true of perforation of the se...

On the Swelling of Gelatin in Hydrochloric Acid and Caustic Soda.

CONTENTS PAGE I. Introductory 147 II. Materials and methods ..148 III. The swelling of gelatin in water, hydrochloric acid and caustic soda . .148 IV. The state of gelatin dissolved by acid or alkali in the cold 153 V. The basic and acidic properties of gelatin . .155 VI. The behaviour of swollen gels in an atmosphere of saturated water vapour . .156 VII. Theory of gel structure deduced from a ...