Graphite Atomic Absorption SpectroPhotoMeter

Graphite furnace atomic absorption spectrophotometers atomize samples in an electrically heated graphite tube and utilize the principle that ground-state atoms absorb light at characteristic wavelengths of elements to measure absorbance values for the quantitative analysis of trace metal elements. They are used in fields such as environmental monitoring, food safety, and pharmaceuticals to detect heavy metal content, including lead and cadmium.
Selection
Select the light source type based on the elements to be detected, match the graphite furnace temperature program according to the detection limit requirements, choose the background correction method in combination with the sample matrix, equip with automatic sampling functions according to the sample throughput, and determine the spectral bandwidth and data processing capabilities based on the budget.

Terms

Standards

Instruments

Using high purity graphite PFA coating heating method, Temperature range RT +~ 400 ℃, monitoring accuracy +/- 0.5 ℃, digestion number of 20 holes, suitable for a variety of sample pretreatment, atomic absorption and other analytical instruments.

$ 1020.00

Measurement range is 5-200mm Graduation 1mm, and smooth operation is realized by eccentric lifting mechanism, which is suitable for capillary liquid absorption height measurement.

$ 684.00

Measurement range 0-200mm, using Krem design principle, suitable for capillary liquid absorption height determination, Graduation accuracy to 1mm.

$ 602.00

The instrument can simultaneously measure 10 samples, equipped with 5 Graduation 1mm engraving rulers, suitable for the detection of unglued paper with a capillary liquid absorption height of more than 5mm.

$ 565.00

Test area of 100cm ², press roller mass 10kg, can accurately determine the surface of the paper liquid absorption mass, in line with international standards.

$ 530.00

The ink wiping speed is 15.5 +/- 1.0cm/min, the opening area of the ink coating platen is 20 +/- 0.4cm ², and the ink absorption time is 120 +/- 5s. It is controlled by 4.3 inch color Touchscreen, which is suitable for the absorption performance measurement of paper inks.

$ 3920.00

Using stainless steel material corrosion resistance, special sink design anti-leakage, Measurement range 0-200mm, suitable for thickness less than or equal to 1.5mm capillary liquid absorption height determination.

$ 684.00

The ink wiping speed is 15.5cm/min, the opening area of the ink coating platen is 20cm ², and the ink absorption time is 120s. The test process is automatically controlled to accurately determine the absorption capacity and penetration performance of the paper to inks.

$ 4096.00

The Cobb test method is used to determine the water absorption value per unit area, the test area is 100cm ², the cylinder height is 50mm, and it is equipped with Basis Weight 200-250g/m2 absorbent paper, which meets the requirements of ISO535 and GB/T1540 standards.

$ 437.00

Test area of 100cm ², cylinder height of 50mm, can accurately determine the unit area of paper and Cardboard in the specified time surface absorption of water, using the Cobb test method for surface Water Absorbency test.

$ 448.00

Using 15.5cm/min ink wiping speed, equipped with 0.1mm ink coating platen, the test process is precisely controlled by 4.3 inch Touchscreen, which can accurately determine the absorption capacity of the material to the inks vehicle.

$ 2766.00

High Accuracy Sensor is used to ensure stable and reliable weighing, reaction time is less than 2 seconds, maximum range is 2200g, readability accuracy is 0.01g, standard water absorption kit and a variety of interface options.

$ 914.00

Using 100cm ² standard test area and 100ml test water, equipped with 10kg pressure roller to ensure uniform pressure of the sample, can accurately measure the liquid absorption in different time periods from 30s to 1800s, to meet a variety of test needs.

$ 696.00

The test area is 100cm ² and the press roller mass is 10kg, which can accurately determine the Water Absorbency of the paper surface, and is suitable for the quality control and detection and analysis of the adhesive paper.

$ 551.00

The surface water absorption of paper and Cardboard was measured by Cobb test method, the test area was 100 +/- 0.2cm ², and the mass of the pressing roller was 10 +/- 0.5kg. The water absorption value of Cobb can be accurately calculated.

$ 490.00

Articles

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Atomic Absorption Spectrometer for Measuring Heavy Metal Content in Rubber
This article introduces a method for determining the heavy metal content in rubber using atomic absorption spectrometry. It first explains that rubber may contain harmful elements such as lead and cadmium, which require accurate measurement.
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Atomic Absorption Spectrometer for Determining Heavy Metal Content in Coatings
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UV-Vis Spectrophotometer Measures Ink Pigment Concentration
This article introduces the method of measuring the concentration of ink pigments using a UV-Vis spectrophotometer. The principle is based on the Lambert-Beer law, which calculates the concentration by measuring the absorbance of the pigment solution at specific wavelengths.
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Difference between dual-beam and array spectrophotometers
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Spectrophotometric Determination of Sulfur Content by Ultraviolet Fluorescence Method
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Application of Spectrophotometry in Heavy Metal Detection
A spectrophotometer detects heavy metal concentrations by utilizing the absorption of light at specific wavelengths by substances, following the principle of the Lambert-Beer law. During detection, heavy metal ions react with chromogenic agents to form colored complexes, and the concentration is determined by measuring absorbance and comparing it against a standard calibration curve.
Guide to Avoiding Pitfalls When Purchasing a Spectrophotometer
When selecting a spectrophotometer, it is essential to first understand its working principle based on the Lambert-Beer law, as this helps in assessing the rationality of the instrument's design.
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