Three lamp holder single flame atomic absorption spectrophotometer

1、 Detection methods and detectable trace elements of atomic absorption spectrometer:

1Atomic absorption flame method:

Atomic absorption flame method (air)—Acetylene can be detected by measuring elementsPPMGrade.

Sodium（Na）Potassium（K）Magnesium（Mg）, Calcium（Ca）Chromium（Cr）Manganese（Mn）, Iron（Fe）, cobalt（Co）Nickel（Ni）Platinum（Pt）, Jin（Au）Copper（Cu）, Silver（Ag）Zinc（Zn）Cadmium（Cd）, lead（Pb）Bismuth（Bi）Wait, wait.

2Atomic absorption hydride method:

Atomic absorption hydride generation method can be used for trace detection of low melting point elements（PPbGrade). Determination: Arsenic（As）Selenium（Se）Antimony（Sb）Bismuth（Bi）, lead（Pb）, tin（Sn）Tellurium（Te）Germanium（Ge）, Mercury（Hg）Wait.

3Atomic absorption graphite furnace method:

The elements detected by atomic absorption graphite furnace method have low injection volume and high sensitivity（PPbGrade).

Silver（AgaluminiumAl）, arsenic（As）, Jin（Au）Barium（Ba）Beryllium（Be）Bismuth（Bi）, Calcium（Ca）Cadmium（Cd）Cerium（Ce）, cobalt（Co）Cesium（Cs）Copper（Cu）Dysprosium（Dy）Erbium（Er）Europium（Eu）, Iron（Fe）Gallium（Ga）, holmium（Ho）Indium（In）Potassium（K）, lanthanum（La）Lithium（Li）Magnesium（Mg）Manganese（Mn）, Molybdenum（Mo）, Sodium（Na）Nickel（Ni）Platinum（Pt）Osmium（Os）, lead（Pb）Palladium（Pd）Praseodymium（Pr）Hafnium（Hf）Rubidium（Rb）, rhodium（Ph）Ruthenium（Ru）Antimony（Sb）Scandium（Sc）Selenium（Se）Samarium（Sm）, tin（Sn）Zirconium（Zr）Tellurium（Te）, Titanium（Ti）, alum（V）Zinc（Zn）Silicon（si） Wait.

2、 Application scope of atomic absorption spectrometer:

Atomic absorption spectroscopy is widely used for analysis and testing in various industries such as hospitals, pharmaceuticals, steel, health and epidemic prevention, metal smelting industry, geology and mineral resources, chemical industry, water quality monitoring, food and dairy products, environmental monitoring, quality inspection, drug testing, agriculture, toys, electronics, etc.

3、 Technical parameters

1Working conditions

1.1 Power requirements:220V（+5%～-10%），50/60 Hz；5000VA.

1.2 Environmental temperature:+15℃～+35℃.

1.3 Relative humidity:20～80%.

2Technical indicators

2.1spectroscopic system

2.1.1Grating engraved lines:1800strip/mm.

2.1.2Wavelength range:190-900nm.

2.1.3Spectral bandwidth:0、0.2、0.4、1.0、2.0nmFive levels are automatically adjustable.

2.1.4Wavelength accuracy:≤0.15nmWavelength repeatability: ±0.05nm.

2.1.5Baseline drift: static≤0.002A/30Minutes, dynamic≤0.005A/30minute.

2.1.6Light source:3Light position, manually switch.

2.1.7High performance power supply: Built in high-performance lamp dual cathode power supply.

2.2Flame atomizer

2.21Characteristic concentration（Cu）：0.015μg/mL/1%.

2.22Detection limit（Cu）：≤0.002μg/mL.

2.23Precision:RSD≤0.5%.

2.24Combustion head: Metal titanium combustion head.

2.25Spray: Wu's high-efficiency glass atomizer.

2.26Atomization chamber: Explosion proof and polymer resistant atomization chamber.

2.27Regulating system: fully automaticPCControl the six lamp brick tower, automatically align and optimize, and automatically ignite.

2.28Safety protection: It has automatic safety protection function, anti backfire automatic gas path protection, acetylene leakage alarm, automatic shutdown system, and automatic power-off in case of abnormalities.

2.29Background correction: Deuterium lamp Background correction: correction capability≥60Twice.

2.3 data processing

2.31Measurement methods: flame method, hydride method

2.32Concentration calculation method: standard curve method（1～3Sub curve), automatic fitting, standard addition method.

2.33Repeated measurement times:1-99Calculate the average value, provide the standard deviation and relative standard deviation.

2.34Result printing: parameter printing, data result printing, graphic printing, exportableWORD、EXCELfile.

2.35The interface is entirely in Chinese, with simple and convenient operation. The light position can be rotated and automatically ignited through software operation.

2.36Communication interface: computer and hostUSBInterface communication.