产品说明
特点和优势
Accreditation:
This volumetric solution is analyzed by our calibration laboratory D-K-15185-01-00 which is accredited according to DIN EN ISO/IEC 17025 for analysis of amount-of-substance concentrations in volumetric solutions by DAkkS (Deutsche Akkreditierungsstelle - German National Accreditation Body). The accreditation certificate can be found at www.sigmaaldrich.com/ISO17025.
包装
SKU-pack size numbers ending with a "3" are SmartChemicals with an RFID tag on the label for seamless data transfer to the instrument, e.g. xxxxxx1003 or xxxxxxx 4003. More information on www.sigmaaldrich.com/SmartChemicals
分析说明
Form liquid
Amount-of-substance concentration 0.04975 - 0.05025 mol/L
Measurement uncertainty ± 0.00015 mol/L
Traceability NIST SRM
The concentration is determined by volumetric titration and refers to 20℃.
The amount-of-substance concentration of this volumetric solution is determined with standardized hydrochloric acid solution (article number 1.09060). The hydrochloric acid solution is standardized and traceable to a primary standard reference material (SRM) from the National Institute of Standards and Technology, Gaithersburg, USA (NIST SRM 723 Tris(hydroxymethyl)aminomethane) by means of volumetric standard Tris(hydroxymethyl)aminomethane (article number 1.02408), certified reference material according to ISO 17034, analyzed by our accredited calibration laboratory of Merck KGaA, Darmstadt, Germany according to DIN EN ISO/IEC 17025. The uncertainty is expressed as expanded measurement uncertainty with a coverage factor k=2 covering a confidence level of 95%.
Note: The titer is a correction factor to correct for variations of the volumetric solution, the titration equipment, the temperature and other laboratory conditions. For correct titration results it is recommended to determine a titer with the laboratory specific equipment and under laboratory specific conditions directly after opening a new bottle and at regular time intervals.
法律信息
Titripur is a registered trademark of Merck KGaA, Darmstadt, Germany
基本信息
| 线性分子式 | Na2CO3 |
| 分子量 | 105.99 |
| Beilstein | 4154566 |
| MDL编号 | MFCD00003494 |
产品性质
| 产品线 | Titripur® |
| 质量水平 | 200 |
| 形式 | liquid |
| 质量 | Analyzed in our ISO 17025 accredited QC lab |
| reaction suitability | reaction type: Acid-base reactions |
| 浓度 | 0.05 M Na2CO3 (0.1 N) |
| technique(s) | titration: suitable |
| 储存温度 | 15-25℃ |
| SMILES string | [Na+].[Na+].[O-]C([O-])=O |
| InChI | 1S/CH2O3.2Na/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2 |
| InChI key | CDBYLPFSWZWCQE-UHFFFAOYSA-L |
安全信息
| 储存分类代码 | 12 - Non Combustible Liquids |
| WGK | nwg |
| 闪点(F) | Not applicable |
| 闪点(C) | Not applicable |
SUPELCO
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