This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1799 edition. Excerpt: ... The next object of research, in the order of investigation, is the nature and species of the acids, united to some basis in the de-aerated or boiled water. If no vitriolic acid be found, neither can any sulphat. If no muriatic acid be found, neither can any muriat. Thus the plan of investigation is narrowed, the objects of research being diminished in number, as no mineral water contains all the ingredients that have been found in different sources; hence I now proceed to the method of estimation of those that may, by any possibility, occur according to the present state of our knowledge. ESTIMATION OF SULPHATS, OF GLAUBER, AND VITRIOLATED TARTARIN. 12. Glauber, which is by far the commonest of the two, has its weight very exactly indicated by that of the baroselenite, which it yields on the application of the solution of nitrated barytes, in the circumstances mentioned 20, Part I. Chap. 2, as 170 grains of ignited baroselenite betoken 100 grains of desiccated Glauber, or 238 of crystallized Glauber. 13. And 136,36 grains of baroselente indicate 100 of dry vitriolated tartarin. 14. And if, to distinguish whether it were Glauber or vitriolated tartarin that was decomposed, acetited barytes be employed, then the acetited alkali in the solution from which the baroselenite is filtered off, being treated with tartaric acid, will deposit super-tartaricated tartarin (cream of tartar) of which, when dried in a moderate heat, 100 grains will denote 41,8 of vitriolated tartarin, according to the account of its constitution, 3 Bergm. P- 368. OF SELENITE. 15. Let the aerated magnesia that may still remain in the boiled water be saturated with nitrous acid, then the quantity of selenite is most advantageously determined by weighing after just...