Spectrum Charts (Cs1)
Description: Continuous spectrum is contrasted with bright line spectra of mercury, helium, lithium, thallium, cadmium, strontium, barium, calcium, sodium and hydrogen Includes spectrum of the sun 2 stellar space...
Alberton, South AfricaWhatman Filter Paper – Grade 540 Circles (Whatmans Grade 540)
- Manufacturer: Whatman
These are the supreme quantitative filter papers featuring high wet strength and chemical resistance. These papers are acid hardened, which reduces ash to an extremely low level. Their tough surfaces make them su...
Alberton, South Africa