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PYROPHORUS [1 record]
Record 1 - internal organization data 1998-12-08
Record 1, English
Record 1, Subject field(s)
- Analytical Chemistry
Record 1, Main entry term, English
- pyrophorus
1, record 1, English, pyrophorus
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
Any of several substances or mixtures (as a carbonized mixture of alum and sugar, or finely divided lead or iron) that ignite spontaneously on exposure to air. 1, record 1, English, - pyrophorus
Record number: 1, Textual support number: 1 OBS
Plural: pyrophori. 1, record 1, English, - pyrophorus
Record 1, French
Record 1, Domaine(s)
- Chimie analytique
Record 1, Main entry term, French
- pyrophore
1, record 1, French, pyrophore
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Substance qui s'enflamme spontanément à l'air. 1, record 1, French, - pyrophore
Record number: 1, Textual support number: 1 CONT
Lorsque l'on décompose le sulfate de potassium par un grand excès de charbon divisé, on obtient un mélange intime de polysulfure de potassium, de potasse anhydre et de charbon, le tout d'une grande combustibilité, que l'on nomme pyrophore de Gay-Lussac. On obtient également une matière pyrophorique à l'aide du fer : si l'on réduit à température modérée l'oxyde ferrique pur par l'hydrogène, on obtient une poudre noire poreuse qui s'enflamme à la température ordinaire, dès qu'on la projette dans l'air. C'est le fer pyrophorique de Magnus. 1, record 1, French, - pyrophore
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Química analítica
Record 1, Main entry term, Spanish
- piróforo
1, record 1, Spanish, pir%C3%B3foro
correct, masculine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Cuerpo que se inflama al contacto del aire. 2, record 1, Spanish, - pir%C3%B3foro
Record number: 1, Textual support number: 1 CONT
Muchos metales son piróforos cuando se hallan pulverizados muy finamente, pues entonces sus partícula se combinan con el oxígeno y arden en el aire. Las chispas que prenden fuego a la mecha de un encendedor de bolsillo no son sino partículas piróforas de ferrocerio. 3, record 1, Spanish, - pir%C3%B3foro
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