JCTLM Database: higher-order reference materials, methods and services
Details : CYC_II_L_I_RM_03 - Potassium standard solution
| Type (acronym) | rm |
| Type | reference material |
| Unique Nomination Number | CYC_II_L_I_RM_03 |
| Analyte Name | potassium |
| IUPAC IFCC Number | CAS7440-09-7 |
| List I or II | List I |
| Traceable to SI | Yes |
| Applicable Matrices | 1% nitric acid solution |
| Identifier Number | SRM 3141a |
| Name | Potassium standard solution |
| Expiry Date | 1/31/2027 12:00:00 AM |
| Certifying Organization | NIST |
| Mode Approach used for Value Assignment | Gravimetric and purity |
| Comments | primary reference for calibration |
| Issued by NMI with Certificate | yes |
| Quantity | Mass fraction |
| From (0) | 9 |
| To (0) | 11 |
| Unit (0) | mg/g |
| From (1) | 0.01 |
| To (1) | 0.04 |
| Unit (1) | mg/g |
| Level of Confidence (%) | 95 % |
| Physical Form of RM Matrix | solution |
| Expression of Uncertainty | GUM Compliant |
| Additional Comments | Prepared from SRM 999a, potassium chloride (assay) |
| How to Obtain Certificate | http://patapsco.nist.gov/srmcatalog/certificates/view_cert2gif.cfm?certificate=3141a |
| Does RM Value Assignment Traceability Meet Requirements | Yes |
| Recommended for Publication in the JCTLM List | Yes |
| Review Team Name | electrolytes |
| Published CRM ISO Compliance | False |
| Organization Acronym | NIST |
| Organization Name | National Institute of Standards and Technology |
| Organization Website | http://www.nist.gov/srm |
| Organization Country ISO Code | US |
| Organization Country Name | United States |
| Analyte Category Name | Electrolytes |