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Material Database:
SRM 1635 - Trace Elements in Coal (Subbituminous)
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| Type |
Certified reference material |
| Producer |
National Institute of Standards and Technology (NIST)
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| Status |
Out of Stock |
| Material |
Powder |
| Reference |
SRM 1635 |
| Catalog (Web) |
https://www-s.nist.gov/srmors/view_detail.cfm?srm=1635 |
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Description
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SRM 1635 - Trace Elements in Coal (Subbituminous) This Standard Reference Material (SRM) is intended for use in the calibration of apparatus and the evaluation of techniques employed in the analysis of trace elements in coal and similar materials. A unit of SRM 1635 consists of 75 g of finely powdered coal ground to pass a 230 μm sieve and homogenized. keywords: environmental materials , geological materials , coal , trace elements , heavy metals
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Package |
75 g
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Parameter
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| Analyte | Arsenic | | Specification | total element concentration | | Parameter | Certified value | | Unit | mg/kg | | Result | 0.42 ± 0.15 | |
| Analyte | Cadmium | | Specification | total element concentration | | Parameter | Certified value | | Unit | mg/kg | | Result | 0.03 ± 0.01 | |
| Analyte | Chromium | | Specification | total element concentration | | Parameter | Certified value | | Unit | mg/kg | | Result | 2.5 ± 0.3 | |
| Analyte | Copper | | Specification | total element concentration | | Parameter | Certified value | | Unit | mg/kg | | Result | 3.6 ± 0.3 | |
| Analyte | Fluorine | | Specification | total element concentration | | Parameter | Certified value | | Unit | mg/kg | | Result | 25.9 ± 3.3 | |
| Analyte | Iron | | Specification | total element concentration | | Parameter | Certified value | | Unit | mass fraction (in %) | | Result | 0.239 ± 0.005 | |
| Analyte | Lead | | Specification | total element concentration | | Parameter | Certified value | | Unit | mg/kg | | Result | 1.9 ± 0.2 | |
| Analyte | Manganese | | Specification | total element concentration | | Parameter | Certified value | | Unit | mg/kg | | Result | 21.4 ± 1.5 | |
| Analyte | Mercury | | Specification | total element concentration | | Parameter | Certified value | | Unit | mg/kg | | Result | 0.0109 ± 0.0010 | |
| Analyte | Nickel | | Specification | total element concentration | | Parameter | Certified value | | Unit | mg/kg | | Result | 1.74 ± 0.10 | |
| Analyte | Selenium | | Specification | total element concentration | | Parameter | Certified value | | Unit | mg/kg | | Result | 0.9 ± 0.3 | |
| Analyte | Sulfur | | Specification | total element concentration | | Parameter | Certified value | | Unit | mass fraction (in %) | | Result | 0.3616 ± 0.0017 | |
| Analyte | Thorium | | Specification | total element concentration | | Parameter | Certified value | | Unit | mg/kg | | Result | 0.62 ± 0.04 | |
| Analyte | Uranium | | Specification | total element concentration | | Parameter | Certified value | | Unit | mg/kg | | Result | 0.24 ± 0.02 | |
| Analyte | Vanadium | | Specification | total concentration | | Parameter | Certified value | | Unit | mg/kg | | Result | 5.2 ± 0.5 | |
| Analyte | Zinc | | Specification | total element concentration | | Parameter | Certified value | | Unit | mg/kg | | Result | 4.7 ± 0.5 | |
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