例文・使い方で印象づける「saltpetre」の覚え方
スポンサーリンク...In Peru the soil may be said tobe impregnated with nitre, but that is nitrate of soda, and notreally saltpetre (nitrate of potassium), as many people imaginewho hear it called simply nitre... 
Montagu Browne 「Practical Taxidermy」
...Thirdly, that an undue proportion of saltpetre had been mixedwith the alum...
Montagu Browne 「Practical Taxidermy」
...It is obtained by the distillation of saltpetre with sulphuric acid...
Samuel D. Humphrey 「American Handbook of the Daguerrotype」
...Round aboutthem there is a thin crust of saltpetre, magnesia, and salt...
John McDouall Stuart 「Explorations in Australia, The Journals of John McDouall Stuart」
...The ground is covered round about the springs with a cake ofsoda and saltpetre...
John McDouall Stuart 「Explorations in Australia, The Journals of John McDouall Stuart」
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