Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.
Application
These Secondary Standards are qualified as Certified Reference Materials. These are suitable for use in several analytical applications including but not limited to pharma release testing, pharma method development for qualitative and quantitative analyses, food and beverage quality control testing, and other calibration requirements.
Analysis Note
These secondary standards offer multi-traceability to the USP, EP (PhEur) and BP primary standards, where they are available.
Other Notes
This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.
Footnote
To see an example of a Certificate of Analysis for this material enter LRAA9037 in the slot below. This is an example certificate only and may not be the lot that you receive.
Physical chemistry chemical physics : PCCP, 13(15), 7037-7042 (2011-03-15)
3-Aminophenol (3AP) has two conformers, cis and trans, depending on the orientation of the OH group relative to the NH(2) group. While both conformers are found in the jet-cooled spectra of 3AP, only the trans isomer was found in the
We have selected and spatially separated the two conformers of 3-aminophenol (C(6)H(7)NO) present in a molecular beam. Analogous to the separation of ions based on their mass-to-charge ratios in a quadrupole mass filter, the neutral conformers are separated based on
Biochemical and biophysical research communications, 371(1), 149-153 (2008-04-18)
The gene encoding m-hydroxybenzoate hydroxylase (mobA) was cloned from Comamonas testosteroni GZ39. MobA converts m-hydroxybenzoate and to a lesser extent p-hydroxybenzoate to protocatechuate. To explore the structural and functional relationships in phenolic acid monooxygenases, MobA was subjected to in vitro
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