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1 sulphur (2 hole)
• Cryosol (tundra soil)
This pack contains four chalk markers in green
Robust colorimeter featuring a stabilised power supply that maintains a constant light output from a 6V
(4) Triggered timing start/stop (i
Uvc Lamp With Bulb Clearance 1 sulphur (2 hole)The UVC lamp is primarily intended to demonstrate the photoelectric effect using a zinc plate and gold leaf electroscope. The lamp emits UVC light with a peak wavelength of 253. 7nm and must not be used as a general purpose UV light source. This lamp is an excellent replacement for the now obsolete Philips TUV6 lamp. The UVC bulb is housed in a robust Aluminium extrusion and is supplied with a 24V d. c. power supply. Specification: Lamp Wattage: 3W