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Bøker Bok 15 av 5... carbon monoxide in air. 1. Samples of air are obtained by inserting the glass...
" ... carbon monoxide in air. 1. Samples of air are obtained by inserting the glass tube on the end of the scrubber into the sample bottle and aspirating the air through the sample bottle long enough to purge it of its original contents; this requires at... "
Public health reports (1881). v. 38 pt. 2 - Side 2314
1924
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Miners' Circular, Utgaver 2-36

United States. Bureau of Mines - 1911
...it of its original contents; this requires at least 2;") squeezes of the bulb. 2. The last bulb full of gas should be expelled through the sample bottle while the glass tube is being removed, then the rubber stopper should be inserted quickly and tightly. If regular sample bottles and bulbs...
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Metallurgical Analysis

Nathaniel Wright Lord, Dana James Demorest - 1924 - 472 sider
...bulb of gas should be expelled through the sample bottle while the glass tube is being removed, after which the rubber stopper should be quickly and tightly...where the sample has been taken. Blood for Making Analysis. — The blood to be used in making the analysis should be taken from a person who has not...
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Metallurgical Analysis

Nathaniel Wright Lord, Dana James Demorest - 1924 - 472 sider
...bottle long enough to purge it of its original contents — at least 25 squeezes of the bulb. The lasit bulb of gas should be expelled through the sample...bottle while the glass tube is being removed, after which the rubber stopper should be quickly and tightly inserted. The samples can then be transported...
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Miners' Circular, Utgaver 30-42

1928
...an excess of water will interfere with the accuracy of the result. 3. The collected samples should then be transported to the place for making the analysis, usually away from the place where the samples have been taken. 5. Dilution of the blood is made 1 in 20, as described for analysis of blood....
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Miners' Circular, Utgaver 1-40

United States. Bureau of Mines - 1913
...purge it of its original contents; this requires at least 25 squeezes of the bulb. 2. The last bulbt'ul of gas should be expelled through the sample bottle while the glass tube is being withdrawn, then the rubber stopper should be inserted quickly and tightly. If regular sample bottles...
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