Metal trace analysis and detection
In metal analysis, elemental evidence is now gathered from the tiniest traces in the ppm, ppb and ppt ranges with sophisticated instrumentation like AAS, ICP-OES or, more recently, ICP-MS.
Rather than just looking – modern day laboratory sleuths can only rarely analyse a sample directly without suitable pre-treatment. The sample must be first skillfully dissolved, digested or fused. All the auxiliary reagents used must perform these tasks, but be effectively invisible in the final analysis.
VWR Chemicals and J.T.Baker® standards and reagents are specifically produced to give you that blank background so that you can solve even the most baffling cases.
- Chemicals for sample preparation for trace analysis
- Standards for calibration
- Equipment for trace analysis
- Related documents for metal trace detection
Chemicals for sample preparation
Et komplet udvalg af syrer med høj renhed med maks. Tilladte niveauer af fremmedlegemer i ppb og ppt, som er essentielle i applikationer med ultra-sporanalyse.
This high purity acid range is essential in sample preparation for metal trace analysis with max. permitted levels contaminants in ppm and ppb
Used for rocks, metals, ceramics and cement analysis. Digestion by fluxing is a common sample preparation step for XRF.
Mercury is one of the most toxic and poisonous heavy metal in the environment. Its determination usually made by AAS is common in different sectors as Food, Environment and Pharma industries.
VWR Chemicals & Merck tilbyder reagenser, herunder syrer, kaustiske midler og salte, der egner sig til mange uorganiske og analytiske applikationer. Specifikationerne anfører garanterede maks. Tilladte grænser for renhed og har en lagertilgængelighed på 99 %.
VWR Chemicals & Merck tilbyder baser til mange uorganiske og analytiske applikationer.
Baser fra VWR Chemicals til mane uorganiske og analytiske applikationer.
Analytiske salte fremstilles for det meste i Europa under strengt kontrollerede betingelser.
Standards for calibration
Complete range of 66 AAS Standards at 1000 mg/l available in 100 and 500 ml packs, traceable to NIST and delivered with Certiticate of analysis(CoA)
Complete range of Standards at 10, 1000 and 10 000 mg/l available in 100 and 500ml packs, traceable to NIST and delivered with Certificate of analysis
Complete range of multi-element solutions for using as internal Standard or for a perfect equipment calibration, traceable to NIST and delivered with CoA.
VWR, working in partnership with CPAchem, offers a custom service enabling you to define your own components, tailoring the standard to your particular application.
Large range composed by 54 elements at 1000 mg/l to be used in Food and Beverage, Environment, Pharmaceutics, Life Science and many more.
Equipment for trace analysis
What is Atomic Spectroscopy?
Atomic spectroscopy lets analysts determine the composition of liquid or solid samples by measuring the amount of light absorbed by atoms and ions in the material at specific wavelengths. By applying electromagnetic radiation to a compound, it puts atoms in the sample into an excited state. As they return to their original condition, they emit energy as light. By measuring the wavelength and intensity of the emitted light, analysts can identify the atoms in the sample.