Product Description
SKZ1044A Digital Flame Photometer
Flame photometer is a relative measurement of the instrument, the concentration value of the sample under test conditions in the same relative value of the concentration of the standard solution. So before the test, you must first prepare a set of corresponding standard solution. Then the calibration operation, the manual or the standard curve by the instrument, the last to be tested on the test sample, to obtain the concentration value or other data
required for calculation.
Applications
1) cement, glass, ceramics, refractories and other materials of the test;
2) fertilizers, soil of the test;
3) mining, petroleum, metallurgy, chemical product testing;
4) pharmaceuticals, beverages and other food testing;
5) municipal solid waste test;
6).scientific research, health, education and other fields all kinds of experimental tests.
Principle
Flame Photometer is emission spectroscopy, It utilizes the heat flame itself, stimulate the part of the alkaline earth metal
atoms, so that these atoms absorb energy from a first energy level transition, when it falls to a normal energy level, it is
necessary to release energy, the energy released have spectral characteristics, that is, in a certain wavelength range.
For example, the salt in a fire, flame yellow, because sodium atoms in the flame down to a normal level when the energy spectrum of the energy released is yellow. People often call this the flame reaction. Different alkali metal or alkaline earth metal in the flame of different colors, each with a different filter, it can be qualitatively tested. The flame intensity is directly
proportional to the solubility atoms contained in the solution, which constitutes the basis for a quantitative test. This method is usually called flame photometry, such instruments are usually referred to as flame photometer.
Specification
Technical parameters:
Items |
Specification |
Test range |
K: 0 ~ 100ug / ml |
Na: 0 ~ 160ug / ml |
Stability |
Continuous injection of standard solution, the relative maximum change of indication within 15s ≤ 3% |
Measured once per minute, a total of 6 measurements, the relative maximum indication of changes in equipment ≤ 15% |
Repeatability |
≤ 3% |
Linearity error |
K: ≤0.005mmol/L (0.0100 ~ 0.0800) mmol/L |
Na: ≤0.03mmol/L (0.0500 ~ 0.400) mmol/L |
Detection limit |
K: ≤ 0.004mmol/L |
Na: ≤ 0.008mmol/L |
Filter |
K filter |
absolute value of peak wavelength error≤ 7nm |
Half width≤15nm |
background transmittance≤ 0.5% |
Na filter |
absolute value of peak wavelength error≤ 5nm |
half-width≤ 15nm |
background transmittance≤ 0.5% |
Response time |
<8s |
Sample volume |
<6mL / min |
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