...in the rough state, but by grinding and decantation it may be separated from its impurities. Ries" in summing up the facts obtainable from the ultimate...silica, alumina, and water approaching quite closely to those of kaolinlte. " 2. The refractoriness of the clay for, other things being equal, the greater...

...elements in it evenly distributed, and not forgetting that there may be numerous exceptions to every case: "(1) The purity of the clay, showing the proportions...silica, alumina, combined water, and fluxing impurities present. High grade clays often show a percentage of silica, alumina, and chemically combined water,...

...elements in it evenly distributed, and not forgetting that there may be numerous exceptions to every case: "(1) The purity of the clay, showing the proportions...silica, alumina, combined water, and fluxing impurities present. High grade clays often show a percentage of silica, alumina, and chemically combined water,...

...elements in it evenly distributed, and not forgetting that there may be numerous exceptions to every case: "(1) The purity of the clay, showing the proportions...silica, alumina, combined water, and fluxing impurities present. High grade clays often show a percentage of silica, alumina, and chemically combined water,...

...information from it as possible. The facts obtainable from it may be chiefly summed up as follows: 1. The purity of the clay, showing the proportions...silica, alumina, combined water and fluxing impurities. High grade clays, such as kaolins, ball clays and some fire clays, show a percentage of silica, alumina...

...each serves its own purpose. The ultimate analysis may be used to supply information on the following points: (1) The purity of the clay, showing the proportions...silica, alumina, combined water, and fluxing impurities. (2) From the ultimate analysis we can form an estimate of the refractoriness of the clay, for, other...

...data can be derived from it. Ries1 lists the following facts as obtainable from chemical analysis : "1. The purity of the clay, showing the proportions...silica, alumina, combined water and fluxing impurities present. High-grade clays often show a percentage of silica, alumina, and chemically combined water...

...each serves its own purpose. The ultimate analysis may be used to supply information on the following points: 1 The purity of the clay, showing the proportions...silica, alumina, combined water, and fluxing impurities. 2 The refractoriness of the clay, for, other things being equal, the greater the total sum of fluxing...