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Sigma-Aldrich Certified Sec. Standard Re
List Price
$321.30
Your Price
$321.30
Sigma-Aldrich Certified Sec. Standard Reference Buffer Solution; 1ea - SIAL (Additional S&H Or Hazmat Fees May Apply)
NETA PART:
SIAL-1072000105
MFG.PART:
1072000105
UNSPSC:
41122409
Manufacturer:
Sigma-Aldrich
Quality Level
300
Storage Temp.
15-25°C
Related Categories
Food & Cosmetic Component Standards
Physical & Chemical Property Standards
General Description
The certified secondary standard reference buffer solution of potassium hydrogen phthalate is gravimetrically prepared using a high-quality reagent in high-purity water. Its pH value is measured by differential potentiometry with two platinum hydrogen electrodes against primary certified reference materials from NIST & PTB. The 5-point calibration method is used for its pH qualification, in accordance with DIN 19268, against certified primary reference standards as per DIN 19266.Please visit ISO certificates and Site Quality Self-Assessments to access the current certificates of accreditation.
Download your certificate at http://www.sigma-aldrich.com to view certified values, including uncertainty and expiry date.
Application
The buffer solution finds its use in calibration, qualification, and monitoring of pH measuring instruments and as a control for testing other buffer solutions.Features And Benefits
- Available in a tamper-proof 100 mL plastic bottle in solution format
- Subjected to detailed stability studies as per ISO Guide 35
- Product label containing relevant information on order number, article description, lot number, expiry date and safety data, in accordance with ISO Guide 31
- Accompanied with a detailed and batch-specific certificate of analysis (CoA) for an effective quality management system
- Measured and qualified in ISO/IEC 17025 and ISO 17034 accredited laboratory
- Traceable to SRMs from NIST and primary certified reference standards from PTB
Analysis Note
pH-value: 4.005 - 4.011For complete data see the enclosed certificateCERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany
| SKU | SIAL-1072000105 |
|---|---|
| Featured | No |
| Supplier Part Number | 1072000105 |
| UM | EA |
| UNSPSC | 41122409 |
| Manufacturer | Sigma-Aldrich |
| ProductLine | SIAL |
| Qty | 1 |
| MinOrderQty | 1 |
| Weight | 7.000000 |
| Lead Time | 9 |
| Hazardous | N |
| Energy Star | No |
| Green | No |
| ACT Ecolabel | No |
| Controlled | N |