| | flame immediately turns yellow the wavelength of light is measured in nanometres ... of the present paper we have a a short wave radiation of about 254 nm and b a ... long wave radiation of about 366 nm re a the ... short wave radiation is furthest removed from ... things for chemical analysis purposes short wave rays very rapidly give rise to ... goggles whenever working with short wave light re b long wave light of about ... produced materials moreover the long wave rays are not harmful to the skin or ... when switching of a uv-lamp with long wave radiation the particles of the uv-dye ...
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