HKL-999.11 AAS for Copper, Lead and Cadmium content in grains
Overview
HKL-999.11 AAS for Copper, Lead and Cadmium content in grains conforms to the AOAC Official Method 999.11 Determination of Lead, Cadmium, Copper, Iron, and Zinc in Foods — Atomic Absorption Spectrophotometry after Dry Ashing. It is applicable to the determination of lead, cadmium, zinc, copper, and iron in food by dry ashing and flame atomic absorption spectrometry (GFAAS), flame and graphite furnace procedures.
After drying, the sample was ashed at a specific temperature under conditions of slow heating. An appropriate amount of hydrochloric acid was added, and the solution was evaporated to dryness. The residue was dissolved in nitric acid, and the analytes were then determined using flame atomic absorption spectrometry and graphite furnace atomic absorption spectrometry.
Flame Atomizer
Burner: Full titanium burner, compatible with 50mm or 100mm universal burner.
Nebulization Chamber: Polymer anti-corrosion explosion-proof Nebulization chamber.
Nebulizer: High-efficiency glass nebulizer (customizable).
Ignition Method: Microcomputer-controlled automatic ignition.
Gas Control: fully automated control system.
Characteristic Concentration (Cu): 0.015 μg/ml/1%
Detection Limit (Cu): 0.002 μg/ml
Precision: RSD≤0.5%
Safety Features: Gas leakage alarm, anti-flashback automatic protection, and automatic power-off in case of abnormalities.
Graphite Furnace Atomizer
Heating Mode: Longitudinal heating
Temperature Control Method: Longitudinal optical temperature monitoring for graphite tube inner wall temperature.
Temperature Control Range: Ambient temperature to 3000°C
Programmed Temperature Control: Fully automated 20-step temperature programming; In-situ enrichment up to 20 times.
Characteristic Mass (Cd): 0.5×10-12g
Detection Limit (Cd): 0.4×10-12g
Precision: RSD≤3%
Cooling Water System: Optional water circulation unit
Safety: Graphite tube failure alarm, Water flow and air pressure monitoring, Over-temperature protection for cooling water
Automatic Sampler
Sample Tray: 130-Position Sample Cup Rack and 6-Position Reagent Cup Holder
Injection Volume: 0.01~100 μl
Minimum Volume: 0.01 μl
Injection Volume Repeatability: 1%
Repeated Injections: Up to 99 times
leaning Container Volume: 500 ml
Data Processing
Measurement Modes: Flame mode, Hydride Generation mode, Graphite Furnace mode.
Concentration Calculation Methods: Standard Curve Method (1st to 3rd), Standard Addition Method.
Replicate Measurements: 1-99 times, calculation of mean value, standard deviation, and relative standard deviation.
Result Output: Parameter printing, Data report printing, Graphical output printing, Export capability to WORD/EXCEL formats.
FAQ
Q1: What standards does this product (HKL-999.11 AAS for Copper, Lead and Cadmium content in grains) comply with?
A:HKL-999.11 AAS for Copper, Lead and Cadmium content in grains conforms to the AOAC Official Method 999.11 Determination of Lead, Cadmium, Copper, Iron, and Zinc in Foods — Atomic Absorption Spectrophotometry after Dry Ashing. It is applicable to the determination of lead, cadmium, zinc, copper, and iron in food by dry ashing and flame atomic absorption spectrometry (GFAAS), flame and graphite furnace procedures.
Q2: What is the working principle of HKL-999.11 AAS for Copper, Lead and Cadmium content in grains?
A:The test portions are dried and then ashed at 450°C under a gradual increase in temperature (≤50°C/h). 6M HCl (1 + 1) is added, and the solution is evaporated to dryness. The residue is dissolved in 0.1M HNO₃, and the analytes are determined by flame and graphite furnace procedures.
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Q4: What are the minimum order quantity (MOQ) and lead time?
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About us
Since 2018 Hong Kong Laboratory Technology Limited has been a reliable partner in the instrumentation industry. In the last 8 years we have established a strong network and through our exclusive representation of over 50 internationally renowned brands, assisting more than 500 clients. Leveraging our extensive industry knowledge, we offer an end-to-end supply chain solution starting from research and development stage to the final product, all backed by a stringent quality management system. We ensure our main instruments are developed based on the highest worldwide standards (ISO 9001, ASTM, IP) and are regularly calibrated according to ISO/IEC 17025 standards to maintain accuracy and dependability. Our dedication lies in supporting innovation and guaranteeing safety through our instruments for various sectors such as research centers, petrochemical and mining industries, healthcare institutions, and environmental bodies.
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Service Guarantee
1. Online Training Services
If assistance is needed, we will provide online installation and commissioning services, as well as comprehensive operation training for you. Meanwhile, we also offer 24/7 online training support for end users throughout the year.
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Worldwide Shipping: We have extensive experience in shipping goods to Asia, Europe, the Middle East, and other regions.
Secure Packaging: Laboratory instruments are carefully packed to ensure they are properly secured and protected during transit.
International Certification
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ISO 9001 Certification | ASTM Certificate |
