What is the use of Spectronic 20?
What is the use of Spectronic 20?
The Spectronic 20™ is used to measure the absorbance (or transmittance) of solutions. A Spectronic 20™ is capable of measuring % transmittance and absorbance over the range of 340 to 950 nm (the range 600 to 950 nm requires a special infrared filter and a different lamp).
What is spectronic 20D+?
The Thermo Scientific Spectronic 20D+ Spectrophotometer is a single-beam digital spectrophotometer with a wavelength range of 340nm to 950nm. Specifications: – Spectral slit width: 20nm. – Wavelength range: 340 to 950nm. – Wavelength accuracy: ±2.5nm near 525nm.
What is spectronic spectrophotometer?
The Spectronic 20 is a brand of single-beam spectrophotometer, designed to operate in the visible spectrum across a wavelength range of 340 nm to 950 nm, with a spectral bandpass of 20 nm. It is designed for quantitative absorption measurement at single wavelengths.
How does a spectronic 20 work?
The Spectronic 20, often called the Spec 20, is a spectrophotometer. A spectrophotometer measures the intensity of a light beam before and after it passes through a sample and compares these two intensities. The Spec 20 can measure absorbance and transmittance over a range of wavelenghts.
When using the spectronic 200e every time you change the wavelength you need to?
Wavelength knob: In SPECTRONIC 200 Modern and SPECTRONIC 20 Emulation modes, the user can set the wavelength by rotating the wavelength knob. Turning the knob without pressing down changes the wavelength in 10nm increments. For fine wavelength control (1nm increments) press the λ knob and rotate.
What does a spec20 measure?
The Spec 20 reports two types of measurements: percent transmittance and absorbance. Percent transmittance is the ratio of the intensity of the light passing through the sample to the intensity of the light shining on the sample multiplied by 100%. Absorbance is the log of the transmittance.
