Laboratory glassware. Wide-necked boiling flasks Ingestion-build-181247 Contracted workers

Contracted workers

Who is BS EN 61249-4-1 – Materials for printed boards for

BS EN 61095 covers:

BS EN 16966 specifies the use of different metrics for the measurement of exposure by inhalation of nano-objects and their aggregates and agglomerates (NOAA) during a basic assessment and a comprehensive assessment

removable contacts

Laboratory glassware. Wide-necked boiling flasks Ingestion-build-181247 Contracted workers1 Scope This International Standard specifies requirements and dimensions for an internationally acceptable series of conical flasks and of flat bottom and round bottom flasks with wide neck for general laboratory purpose. The flasks are provided for direct use in laboratory, fitting together with other equipment for general laboratory purposes; further work up to other products. NOTE For narrow necked boiling flasks, ISO 1773 applies. For boiling