ICP Elemental Analysis Laboratory - Science - … · ICP Elemental Analysis Laboratory Rabeya Akter...
Transcript of ICP Elemental Analysis Laboratory - Science - … · ICP Elemental Analysis Laboratory Rabeya Akter...
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ICP Elemental Analysis Laboratory
Rabeya Akter
Dorothy Yu
Khorshed Chinu
Manager – Dr Chris Marjo
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Mark Wainwright Analytical Centre
• BMIF - Biomedical Imaging Facility• BMSF - Bioanalytical Mass Spectrometry Facility• BRIL - Biological Resources Imaging Laboratory• CCL - Commercial & Consulting• EMU - Electron Microscope Unit• NMR - Nuclear Magnetic Resonance Facility• SPECLAB - Spectroscopy Laboratory• SSEAU - Solid State & Elemental Analysis Unit• Stats Central• TAU - Transgenic Animal Unit• UNSW Biorepository
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Capabilities
Elemental analysis - identification and quantification of elements in samples
Determination of the elemental composition and trace level elements
Combine appropriate instrumentation with sample preparation and methodology that are most relevant to both the sample matrix and the aim of the project
Analytical service to a variety of applications – environmental, geological, pharmaceutical, materials, medical, food and others….
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Capabilities
Sample preparation
Quantitative analysis of inorganic cations
Quantitative analysis of inorganic anions
Quantitative analysis of carbon and nitrogen
Characterisation of organic matter
Method development and validation
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Instruments
ICP- Inductively Coupled Plasma Spectroscopy
Ion Chromatography System
Carbon and Nitrogen Analyser
Flow Injection Analyser
LCOCD - Liquid Chromatography – Organic Carbon Detection
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ICPOES - ICPMS
ICP-OES Inductively Coupled Plasma Optical Emission Spectroscopy
Determination of trace and major elements
Detect most elements in the periodic table
Detection limits in the parts per million range
ICP-MS Inductively Coupled Plasma Mass Spectroscopy
Highly sensitive with detection limits in the parts per trillion level
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ICP-OES/AESICP-AES Detection Limit
ICP-OES ionises an atom in a 8000°C plasma then measures the light from the atomic excitationElements (like the halogens) do not ionize efficiently have poor detection limits
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ICP-MS
ICP-MS Detection Limit
ICP-MS ionises an atom in a 10,000°C plasma then measures the ions in a mass spectrometerLike ICP-OES, elements (like the halogens) that do not ionize efficiently have poor detection limits
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LA-ICP-MS Laser Ablation ICP-MS
Highly sensitive elemental and isotopic analysis to be performed directly on solid samples
A laser beam focused on the sample surface to generate fine particles (Laser Ablation)
The ablated particles are then transported to the ICP-MS instrument for both elemental and isotopic analysis
Sample mass size required for LA-ICP-MS analysis is sub-microscale Limit of detection approaching ppm level Applications
– Semi-quantitative bulk analysis– Local inclusion and defect analysis– Imaging– Line speciation
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ICP Instrument
Perkin Elmer OPTIMA 7300 ICPOES
PerkinElmer NexIon 300D ICPMS
NexIon 300D ICPMS integrated with ESI-NewWave NWR213 Laser Ablation accessory
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ICP
Rapid multi-element coverage Semi-quantitative isotopic information Low detection limits in ppm to ppt levels Wide Linear Dynamic Range from ppm to low percentage High sample throughput Semi-quantitative, as well as quantitative analysis The only elements which cannot be measured by ICP methods are C, H, O,
N and the some halogens.
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Carbon & Nitrogen Analysis
AnalytikJena Multi N/C 2100S Total Carbon and Total Nitrogen Analyser
Determine total and dissolved carbon and nitrogen content of aqueous samples by thermocatalytic high-temperature oxidation.
TC, IC, OC, TN
OI Analytical Aurora 1030 Wet Oxidation TOC Analyser
Determine total and dissolved carbon content of aqueous samples by chemical oxidation.
TC, IC, OC
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LC-OCD-ONDLiquid Chromatography – Organic Carbon Detection – Organic Nitrogen Detection
Chromatographic separation of natural organic matter (NOM) and water-soluble synthetic organic matter into different fractions
Quantification of these fractions
The system uses size-exclusion chromatography to separate classes of dissolved organic matter based on their molecular weights. The separated species are detected by UV detector and Infrared detector
NOM is separated into 6 sub-fractions which gives information on– effectiveness of water treatment system
– microbial activity
– flocculation
– reactivity of HS in treatment processes …..
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LC-OCD: separation of large organic molecules (usually from an aqueous extraction) by size
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LC-OCD-OND
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FIAFlow Injection Analysis
Platform of spectrophotometric determination
High sample throughput
Quantitative determination of soluble and available NO3, NO2 and NH4 in water and soil extracts
Lachat’s QuikChem 8500
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Ion Chromatography
Dionex Ion Chromatography System
IonPac AS14A Analytical Column
Separation and quantification of inorganic anions to ppm levels– Fluoride
– Chloride
– Nitrite
– Bromide
– Nitrate
– Phosphate
– Sulphate
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Sample Preparation
Representative
Homogenous
Free of contaminants
Storage stability
Correct sample preparation is essential to achieving reliable quantitation data
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Sample Preparation Facilities
• High speed Ball Mill• Precision balance – 5 decimal places• Labwater Purification System • Sub-boiling Acid Distillation Unit• Digestion Hot Block• Microwave-enhanced Digestion System• Ultrasonic Bath• Shaker – horizontal & end over end• Centrifuge• Press pellet
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How we can assist you with your research
projects?
Achieve your goals on time and within budget
Select a method
Modify a method
Develop a method
Validate a method
Perform the analyses
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Contacts