Portland cement
SIAL/NIST633A - NIST® SRM® 633a
Product Type: Chemical
| format | matrix material |
| grade | certified reference material |
| manufacturer/tradename | NIST® |
| packaging | pkg of 4 vials x 5 g |
| Quality Level | 100 ![]() |
| Application: | The Standard Reference Material (SRM) is primarily intended for use in evaluating methods used for the analysis of cements and materials with similar matrix. |
| Features and Benefits: | • Certified mass fractions values and Reference mass fraction values for various constituents of SRM 633a are provided based on an as-received basis. • Maintenance and expiration of SRM certification, instructions for handling, storage, and use are provided on NIST certificate. |
| General description: | A unit of SRM 633a comprises four vials, with each vial measuring 5 g of portland cement ground to pass through a 75 µm (No. 200) sieve, with each vial sealed in a foil pouch. For more information, please refer to the COA and SDS SRM 633A_cert ![]() SRM 633A_SDS ![]() |
| Legal Information: | NIST is a registered trademark of National Institute of Standards and Technology |
| Legal Information: | SRM is a registered trademark of National Institute of Standards and Technology |
| Other Notes: | Certified for the analytes listed below. Silicon dioxide (SiO2), Aluminum Oxide (Al2O3), Ferric Oxide (Fe2O3), Calcium oxide (CaO), Magnesium oxide (MgO), Sulfur trioxide (SO3), Sodium oxide (Na2O), Potassium oxide (K2O), Titanium dioxide (TiO2), Phosphorus pentoxide (P2O5), Zinc oxide (ZnO), Manganese(III) oxide (Mn2O3), Chlorine (Cl), Strontium oxide (SrO), Mercury (Hg) Reference/Informational value is provided for the following analytes. Chromium(III) oxide (Cr2O3), Sulfide Sulfur, Calcium oxide (CaO), Fluoride (F–), Barium oxide (BaO) See certificate for values and more details at nist.gov/SRM. |
| Symbol | ![]() GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H315 - H318 - H335 |
| Precautionary statements | P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| UNSPSC | 41116107 |



