AA7003M-1 blood nine elemental analyzer

test project

Common elements such as lead , copper, iron , zinc , calcium, magnesium , selenium , manganese, etc.

Test Method

Flame , graphite furnace , flame emission method , hydride generation method

Wavelength Accuracy

Wavelength accuracy of the instrument ≤ ± 0.5nm

Wavelength repeatability

Wavelength repeatability ≤0.3nm.

Resolution

0.2nm spectral bandwidth measuring spectral half width ≤0.2nm ± 0.02nm

Baseline stability

Baseline drift within 30min ≤0.005Abs, baseline maximum instantaneous noise within 30min ≤0.005Abs.

Sensitivity

Flame copper concentration of absorbance ≥0.200Abs 2.0μg / ml standard solution measurement. Absorbance ≥0.04Abs graphite furnace copper concentration 20ng / mL, 10μL injection volume , measured by the standard solution

detection limit

Flame detection limit for copper ≤0.008μg / ml, graphite furnace method detection limit for copper ≤25pg. The detection limit ≤1μg / L, blood lead testing limit of quantification ≤3μg / L blood lead testing methods.

Repeatability

Flame copper measured RSD≤1%, RSD≤4% copper graphite furnace measurements , when blood lead testing 100μg / L manual injector RSD≤5%, autosampler RSD≤3%

Absorbance error

Transmission calibration value does not exceed the corresponding absorbance ± 2%.

Edge wavelength noise

Wavelength range 190-900nm, arsenic 193.7nm, 852.1nm wavelength cesium were measured instantaneous noise <0.02Abs

Background correction capability

Deuterium lamp buckle background , background absorption near 1Abs , the instrument has a 30 times higher than the background correction capability.

Optical slit

Five-speed slit -band spectra : 0.1,0.2,0.4,1.0,2.0nm, the wavelength shift caused by the deviation ≤0.3nm.

Optical monochromator

Holographic concave grating 1800 / mm

Gas regulation

Dual gas regulator , built-in flowmeter

Computer Control

IPC, stable performance , automatic control instruments

Test specimens

Various samples of whole blood , serum, plasma , urine, semen , tissue , etc. applicable to all sections of the clinical and scientific research, at least you can just 10μL