Material Database:
SRM 3031 - Dimethylarsinic Acid Standard Solution
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Type |
Certified reference material |
Producer |
National Institute of Standards and Technology (NIST)
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Status |
Available |
Material |
Solution |
Reference |
SRM 3031 |
Catalog (Web) |
https://shop.nist.gov/ccrz__ProductDetails?sku=3031 |
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Description
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This Standard Reference Material (SRM) is intended for use as a primary calibration standard for the quantitative determination of dimethylarsinic acid (DMA). Cacodylic acid was purchased from a commercial vendor to produce the SRM. This material was dissolved at NIST using sub-boiling distilled water and later dispensed into ampoules.
keywords: Speciation analysis, Arsenic speciation
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Package |
A unit of SRM 3031 consists of two 5 mL sealed borosilicate glass amber ampoules of water solution prepared gravimetrically to contain a known mass fraction of DMA |
Parameter
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Analyte | Arsenic | Specification | Dimethylarsinic Acid (as As) | Parameter | Certified value | Unit | mg/kg | Result | 20.47 ± 0.18 | |
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