 | United States. Bureau of Chemistry - 1889 - 1396 páginas
...cream, especially when the milk examined is rich. Persons who have had no experience in the use of a pipette will do well to practice a short time by measuring water into a tost bottle before attempting to make an analysis. The manipulation is easily acquired, and with a... | |
 | Wisconsin. Dairy and Food Commission - 1890 - 202 páginas
...cream, especially when the milk examined is rich. Persons who have had no experience in the use of a pipette will do well to practice a short time by measuring...test bottle before attempting to make an analysis. The manipulation is easily acquired, and with a little practice milk may be measured nearly as rapidly... | |
 | University of Wisconsin. Agricultural Experiment Station - 1890 - 302 páginas
...cream, especially when the milk examined is rich. Persons who have had no experience in the use of a pipette will do well to practice a short time by measuring...test bottle before attempting to make an analysis. The manipulation is easily acquired, and with a little practice milk may be measured nearly as rapidly... | |
 | University of Wisconsin. Agricultural Experiment Station - 1893 - 402 páginas
...difference in the results, through the separation of cream, especially when the milk examined is rich. Persons who have had no experience in the use of the...time by measuring water into a test bottle before at tempting to make an analysis. Adding the acid. — After the milk has been measured into the test... | |
 | Connecticut Agricultural Experiment Station - 1893 - 1262 páginas
...be tested, and this thrown away before taking the test sample. Adding the Acid. — After the cream has been measured into the test bottle the test may be proceeded with immediately, or the bottles may be left for a day or two without materially changing the results ; samples that have remained... | |
 | University of Wisconsin. Agricultural Experiment Station - 1894 - 388 páginas
...difference in the results, through the separation of cream, especially when the milk examined is rich. Persons who have had no experience in the use of the...the test may be proceeded with immediately, or the bottles may be left for a day or two without materially changing the results; samples that have remained... | |
 | New York (State) Dept. of Agriculture - 1894 - 834 páginas
...difference in the results, through the separation of cream, especially when the milk examined is rich. "Persons who have had no experience in the use of...test bottle before attempting to make an analysis." The management of the pipette shown in figure 6 is much easier than that shown in figure 4, and enables... | |
 | University of Wisconsin. Agricultural Experiment Station - 1894 - 388 páginas
...difference in the results, through the separation of cream, especially when the milk examined is rich. Adding the Acid. — After the milk has been measured...the test may be proceeded with immediately, or the bottles may be left for a day or two without materially changing the results; samples that have remained... | |
 | University of Missouri--Columbia. Agricultural Experiment Station - 1928 - 528 páginas
...the consequent loss of milk in the bubbles that escape will necessitate starting the test over again. Adding the Acid. — After the milk has been measured into the test bottle, the acid, also at a temperature of about 70°F., should be added. The acid is added by means of a measuring... | |
 | University of Missouri--Columbia. Agricultural Experiment Station - 1921 - 552 páginas
...a cubic centimeter held by the pipette is the amount which ordinarily remains clinging to its wall. Adding the Acid.— After the milk has been measured into the test bottle, the acid, also at a temperature of about 70° F., should be added. The acid is added by means of a measuring... | |
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... comparison, the milk should be poured once from one vessel to another after each sample is measured. Neglect of this precaution may make a perceptible difference in the results, through the separation of cream, especially when the milk examined is... 
