“…Kuck and Grim again extended the method to decimilligram samples using the Garner balance and found that as little as about 50 y of sulfur could be determined satisfactorily. For materials containing alkali and alkaline earth metals, Sirotenko (49) recommended fusion of the sulfate residue in the combustion boat with boron trioxide, thereby liberating the sulfur trioxide.…”
“…Kuck and Grim again extended the method to decimilligram samples using the Garner balance and found that as little as about 50 y of sulfur could be determined satisfactorily. For materials containing alkali and alkaline earth metals, Sirotenko (49) recommended fusion of the sulfate residue in the combustion boat with boron trioxide, thereby liberating the sulfur trioxide.…”
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