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Strontium (Sr)
Chemically similar to calcium, strontium (([Kr]5s2) (CAS 7440-24-6) is softer and decomposes in water on contact. Strontium is silvery-white but, when exposed to air, it rapidly becomes yellow and forms an oxide film. In nature, it is found primarily as celestite (SrSO4 and strontianite (SrCO3).
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Chemical Name or Material: Strontium. Name Note: Distilled dendritic pieces. CAS: 7440-24-6. Health Hazard 1: H260.
CAS: 7440-24-6. Molecular Formula: Sr. MDL Number: MFCD00134060. Synonym: strontium, elemental.
CAS: 7440-24-6. ChEBI: CHEBI:33324. IUPAC Name: strontium. InChI Key: CIOAGBVUUVVLOB-UHFFFAOYSA-N.
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US EPA Method 200.7 is the "Determination of Metals and Trace Elements in Water and Wastes by Inductively Coupled Plasma-Atomic Emission Spectrometry." EPA 200.7 sets the method detection limit (MDL) for 31 different elements, along with preferred wavelengths and calibration and quality control...
As hydraulic fracturing or fracking has burgeoned, so have speculations about itsenvironmental impact. Both citizens and government officials have questioned whether fracking couldcompromise our drinking water sources.
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Application Note: Determination of Parts-Per-Trillion Concentrations of Strontium by Pre-Concentration with Ion Chromatography and Suppressed Conductivity Detection