ID (ISN) del documento | 42612 |
Número CIS |
84-1618 |
ISBN(s) |
0-7176-0143-9 |
Año |
1983 |
Número de serie |
MDHS 25
|
Autor(es) |
Health and Safety Executive |
Título |
Organic isocyanates in air - Laboratory method using 1-(2-methoxyphenyl) piperazine solution and high performance liquid chromatography |
Información bibliográfica |
Health and Safety Executive Sales Point, St. Hugh's House, Stanley Precinct, Bootle, Merseyside L20 3QY, United Kingdom, Mar. 1983. 5p. Illus. 12 ref. Price: £1.00. |
Resumen |
Contents of this guidance note: Properties, uses, toxicity and first aid in case of massive exposure to organic isocyanates; determination method (sampling through a glass impinger containing the absorbing solution of 1-(2-methoxyphenyl) piperazine; the organic isocyanates react to form urea derivatives; the resulting solution is concentrated and analysed with a high performance liquid chromatograph equipped with an ultraviolet and an electrochemical detector; the total isocyanate concentration is calculated from the sum of all isocyanate-derived chromatograph peaks). Scope: suitable for measurement over periods in the range of 10min to 8h, both for personal and area sampling. Analytical range: 7-140µg NC0/m3 for 10l air samples. Precision: 10%. Aromatic amines and the presence of several isocyanate types will provide interference. |
Descriptores (primarios) |
Reino Unido; isocianatos; dosificación en el aire; toma de muestras y análisis |
Descriptores (secundarios) |
muestreo individual; diisocianato de difenilmetano; diisocianato de hexametileno; diisocianato de isoforono; cromatografía en fase liquida a alta presión; aminas aromáticas; recambio; descripción del procedimiento; nota informativa; diisocianato de toluileno-2,4 |
Tipo de documento |
F - Notas informativas, directrices prácticas, normas |
Tema(s) |
Sustancias tóxicas y peligrosas
|
Broad subject area(s) |
|
Navegación por categoria(s) |
Isocyanates Cyano compounds
|