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1. www.nist.gov › nist-ps1-primary-standard-quantitative-nmr-benzoic-acidNIST PS1 Primary Standard for quantitative NMR (Benzoic Acid)

   www.nist.gov › nist-ps1-primary-standard-quantitative-nmr-benzoic-acid

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   20 Οκτ 2023 · A rigorous and metrologically-sound certification of benzoic acid content was conducted by the Chemical Sciences Division that comprised coulometric assays in conjunction with multiple calibration schemes for an internal standard qNMR technique, as well as a thorough analysis of impurities.

   • Michael Nelson

     NIST Office of Weights and Measures, 2023 - Present....

2. webbook.nist.gov › cgi › cbookBenzoic acid - NIST Chemistry WebBook

   webbook.nist.gov › cgi › cbook

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   Benzoic acid. Formula: C 7 H 6 O 2. Molecular weight: 122.1213. IUPAC Standard InChI: InChI=1S/C7H6O2/c8-7 (9)6-4-2-1-3-5-6/h1-5H, (H,8,9) IUPAC Standard InChIKey: WPYMKLBDIGXBTP-UHFFFAOYSA-N. CAS Registry Number: 65-85-0. Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file.

3. www.nist.gov › system › filesNIST PS1 - National Institute of Standards & Technology

   www.nist.gov › system › files

   16 Ιουλ 2020 · NIST PS1 . Primary Standard for quantitative NMR (Benzoic Acid) CERTIFICATE OF ANALYSIS. Purpose: This NIST Certified Reference Material is intended for use as a primary standard for quantitative nuclear magnetic resonance (qNMR) methods.

4. www.nist.gov › publications › new-realization-si-organic-chemical-measurement-nistA new realization of SI for organic chemical measurement: NIST...

   www.nist.gov › publications › new-realization-si-organic-chemical-measurement-nist

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   30 Ιουλ 2018 · A first-of-its-kind NIST reference material, ultra-pure and extensively-characterized PS1 Benzoic Acid Primary Standard for quantitative NMR serves as a definitive, primary reference (calibrant) that assuredly links the quantitative NMR (qNMR) spectroscopy technique to SI base units.

5. www.sigmaaldrich.com › US › enBenzoic acid NIST SRM 39j, calorimetric standard 65-85-0 -...

   www.sigmaaldrich.com › US › en

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   SRM 39J is available with a certificate documenting NIST-certified purity of 0.999996 mol/mol, as measured by coulometer mass spectrometer. The NIST certificate is provided with uncertainty calculation, handling, storage, and use instructions.

6. tsapps.nist.gov › srmext › certificatesCertificate of Analysis - NIST

   tsapps.nist.gov › srmext › certificates

   Standard Reference Material 350b. Benzoic Acid (Acidimetric) C6H5COOH. This Standard Reference Material (SRM) consists of highly purified benzoic acid (C6H5COOH). SRM 350b is intended for use in acidimetric standardization. A unit of SRM 350b consists of 30 g of benzoic acid.

7. tsapps.nist.gov › srmext › certificatesStandard Reference Material 350c - NIST

   tsapps.nist.gov › srmext › certificates

   Benzoic Acid (Acidimetric Standard) This Standard Reference Material (SRM) consists of purified benzoic acid (C 6 H 5 COOH). SRM 350c is intended for use in acidimetric standardization. This material is NOT suitable for use as a standard in quantitative nuclear magnetic resonance spectrometry (qNMR). A unit of SRM 350c consists of 30 g of ...