| 1805 - 534 páginas
...and exposed for sown: days to the atmosphere in an open vessel. If any soluble quantity of sulphate of lime (gypsum) existed in the soil, a white precipitate...gypsum. Muriatic acid must be digested upon the soil, in qmntity more than sufficient to saturate the soluble earths ; the solution must be evaporated, and... | |
| 1806 - 416 páginas
...fluid exposed for some days to the air in an open vessel. If any soluble quantity of sulphate of lime 'existed in the soil, a white precipitate will gradually form in the fluid, the weight of which will indicate the proportion. Alter this the remaining soil maybe examined for... | |
| Friedrich Christian Accum - 1808 - 492 páginas
...and exposed for some days to the atmosphere in an open vessel. If any soluble quantity of sulphate of lime (gypsum) existed in the soil, a white precipitate...proportion. < ' > Phosphate of lime, if any exist, may be separatedfrom the soil after the process of gypsum. Muriatic acid must be digested upon the soil, in... | |
| William Nicholson - 1808 - 900 páginas
...being filtered, exposed some days to the open air. If any soluble quantity of sulp'iat of lime, or gypsum, existed in the soil, a white precipitate will...gradually form in the fluid, and the weight of it win indicate the proportion. Phosphat of limcj if any be present, may be separated from the soil after... | |
| Friedrich Christian Accum - 1814 - 484 páginas
...and exposed for some days to the atmosphere in an open vessel. If any soluble quantity of sulphate of lime (gypsum) existed in the soil, a white precipitate...exist, may be separated from the soil after the process of gypsum. Muriatic acid must be digested upon the soil, in quantity more than sufficient to saturate... | |
| 1816 - 442 páginas
...and exposed for some. days to the atmosphere in an open vessel. If any notable quantity of sulphate of lime (gypsum) existed in the soil, a white precipitate...may be separated from - the soil after the process of gypsum. Muriatic acid must be digested upon the soil, in quantity more than sufficient to saturate... | |
| Andrew Ure - 1821 - 436 páginas
...being filtered, exposed some days to the open air. If any soluble quantity of sulphate of lime, or gypsum, existed in the soil, a white precipitate will...indicate the proportion. Phosphate of lime, if any be present, may be separated from the soil after the process for gypsum. Muriatic acid must be digested... | |
| William Thomas Brande - 1821 - 666 páginas
...and exposed for some days to the atmosphere in an open vessel. If any notable quantity of sulphate of lime (gypsum) existed in the soil, a white precipitate...and the weight of it will indicate the proportion. " 10. When the examination of a soil is completed, the products should he numerically arranged, and... | |
| William Thomas Brande - 1821 - 806 páginas
...and exposed for some days to the atmosphere in an open vessel. If any notable quantity of sulphate of lime (gypsum) existed in the soil, a white precipitate will gradually form iu the fluid, and the weight of it will indicate the proportion. " Phosphate of lime, if any exist,... | |
| Andrew Ure - 1821 - 436 páginas
...being filtered, exposed some days to the open air. If any soluble quantity of sulphate of lime, or gypsum, existed in the soil, a white precipitate will gradually form in the ftuid, and the weight of it will indicate the proportion. Phosphate of lime, if any be present, may... | |
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