Advantages of Sigma-Aldrich products:
- A cost-effective alternative to primary pharmacopoeial standards.
- Certified in accordance with the requirements of the pharmacopoeia (USP, PhEur, BP).
- Meet the requirements of ISO Guide 34 and ISO 17025.
- The weight of the main substance is from 500 mg to 1 g or more.
- Each secondary sample is precisely quantified with a measurement error.
- The standards are accompanied by quality certificates containing the results of a comparative analysis with the primary standards of the CRS, USP or BP EP.
- Secondary standards – a reusable product subject to storage conditions in accordance with the manufacturer’s quality certificate.
- Possibility to recontrol previously released batches with subsequent extension of the shelf life.
For more information, visit http://www.sigmaaldrich.com.
