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All about chromium

Found 381 links
Page 3 of 26

The EVISA Link database contains information about all aspects of chromium speciation:
- chromium species determination (analytical methods etc)
- toxicity and biological activity of different chromium species
- distribution and fate of chromium species in the environment
- mobility, bioavailability and bioaccumulation of chromium species
- Research groups and their projects related to the chemical speciation of Cr
- Standards, rules and legislation related to chromium

If you are looking for something special, please go to the Link Database that will allow for more specific search.


Chemical Analysis

LGC: Analytical method: Chromium Species Determination in Landfill Leachate
AimTo develop a protocol, which ensures compatibility of the landfill leachate (LGC6177, certified for total Cr content 0.18 ± 0.02 mg/L) matrix with the previouslydeveloped and weil establishe...

LGC: Analytical method: Quantitative Chromium Species Measurements in Clean and Effluent Waters
AimThe objective ofthe study is to investigate the feasibility ofa method based on ionpair/chelation reversed phase HPLC-ICP-MS for the reliable quantification ofbothCr(VI) and Cr(III) species in wate...

Localization and Speciation of Chromium in Subterranean Clover Using XRF, XANES, and EPR Spectroscopy
Scientists from Texas A&M University and the University of Georgia have used X-ray absorption near edge spectroscopy (XANES) and synchrotron X-ray fluorescence (SXRF) microprobe spectrosco...

MPA: European test method for chromium (VI) content of cement
IntroductionClause 47 of  Annex XVII of the REACH Regulation regulates cement and cement  -  containing  preparations for their water - soluble chromium (VI) content. It has the ob...

NEMI: ASTM Method D5257: Chromium, Hexavalent, in Water by Ion Chromatography
  Brief method summary:A fixed volume of buffered and filtered sample, typically 100 mL, is injected into the eluant flow path and separated by anion exchange using an ammonium sulfate bas...

New Cation-Exchange Method for Field Speciation of Hexavalent Chromium
U.S. Geological Survey:Chromium (Cr) is usually present in surface and ground water in either the +3 or the +6 oxidation state. Because Cr(III) is considered an essential nutrient and Cr(VI) is consid...

NIOSH Method 7024: Chromium and compounds as Cr
Keywords: filter, flame atomic absorption  ...

NIOSH Method 7600: Hexavalent chromium
Topic: Hexavalent chromium in workplace airSampling: 5 µm PVC membrane filterDetection: VIS Absorption spectrophotometry (LOD: 0.05 µg per sample)...

NIOSH Method 7604: Hexavalent chromium
Keywords : filter, ion chromatography, conductivity detection The working range is 0.01 to 4 mg/m 3 for a 500-L air sample. This method is less sensitive than method 7600 (colorimetric), but it contai...

NIOSH Method 7605: Hexavalent chromium
Topic: Hexavalent chromium in workplace airSampling: 5 µm PVC membrane filterDetection: Ion chromatography with conductivity detection (LOD: 3.5 µg per sample)...

NIOSH Method 7605: Hexavalent Chromium by Ion Chromatography
TECHNIQUE: Ion chromatography with post-column derivatization and UV detection. APPLICABILITY:  The working range is 0.00025 to 0.1 mg/m 3  for a 200-L air sample. This method can be used fo...

NIOSH Method 7703: Hexavalent Chromium by Field-Portable Spectrophotometry
CHROMIUM, HEXAVALENT, 7703 by Field-Portable SpectrophotometryThis method is designed to be used in the field, but can also be utilized in the fixed-site laboratory. It is an alternative to laboratory...

NIOSH Method 9101: Hexavalent chromium in settled dust samples
Topic: Hevavalent chromium in settled dust samplesSample: Leachate of dust sampleDetection: Colorimetry...

NIOSH Safety and Health Topic: Hexavalent Chromium
Hexavalent chromium (Cr(VI)) compounds are a group of chemical substances that contain the metallic element chromium in its positive-6 valence (hexavalent) state. Occupational exposures to Cr(VI) occu...

OSHA Method ID-103: Hexavalent chromium
The chromium (VI) is extracted from the filter using a carbonate/bicarbonate buffer solution and then analyzed by differential pulse polarography....



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