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Construction of a Dual-enzyme, Subzero (-30 degree C) Chromatography System and Multi-channel Precision Temperature Controller for Hydrogen-Deuterium Exchange Mass Spectrometry
Data provided by National Institute of Standards and Technology
This tutorial provides mechanical drawings, electrical schematics, parts lists, STL files for 3D-printed parts, IGS files, and instructions for automated machining necessary for construction of a dual-protease, subzero, liquid chromatography system for hydrogen-deuterium exchange mass spectrometry. Electrical schematics for construction of a multi-zone temperature controller that regulate to ±0.1 oC are also included in this tutorial.
Tags: liquid chromatography,hydrogen-deuterium exchange,mass spectrometry,precision,peptide,protein,proteolysis,proteomics,reference material,temperature control.,
Modified: 2024-02-22
Views: 0
Comparison of primary laser spectroscopy and mass spectrometry methods for measuring mass concentration of gaseous elemental mercury
Data provided by National Institute of Standards and Technology
Data for mass concentration analysis and spectral analysis for the paper titled, "Comparison of primary laser spectroscopy and mass spectrometry methods for measuring mass concentration of gaseous elemental mercury"
Tags: mercury,laser absorption spectroscopy,Standard Generator,SI traceability,ID-CV-ICP-MS,primary measurement method,Environment and Climate,
Modified: 2024-02-22
Views: 0
Development of a Tool to Determine the Variability of Consensus Mass Spectra Supporting Data
Data provided by National Institute of Standards and Technology
Supporting datasets and algorithms (R-based) for the manuscript entitled "Development of a Tool to Determine the Variability of Consensus Mass Spectra", including an R Markdown script to reproduce the manuscript's figures.
Tags: mass spectrometry,uncertainty analysis,per- and polyfluoroalkyl substances,PFAS,reference mass spectrum,
Modified: 2024-02-22
Views: 0
SRM 3133 Mercury (Hg) Standard Solution Lot No. 160921
Data provided by National Institute of Standards and Technology
This Standard Reference Material (SRM) is intended for use as a primary calibration standard for the quantitative determination of mercury. A unit of SRM 3133 consists of five 10 mL sealed borosilicate glass ampoules of an acidified aqueous solution prepared gravimetrically to contain a known mass fraction of mercury. The solution contains nitric acid at an approximate mass fraction of 10 %. This data is public in the Certificate of Analysis for this material.
Tags: mercury,pure materials,cations,metals,single element solutions,spectrometry,Advanced Materials,
Modified: 2024-02-22
Views: 0
SRM 3262 St. John's Wort (Hypericum perforatum L.) Aerial Parts
Data provided by National Institute of Standards and Technology
SRM 3262 St. John's Wort (Hypericum perforatum L.) Aerial Parts - This Standard Reference Material (SRM) is intended primarily for use in validating analytical methods for the determination of chlorogenic acid, flavonoids, naphthodianthrones, and toxic elements in Hypericum perforatum L. and similar materials. This data is public in the Certificate of Analysis for this material.
Tags: Standard Reference materials,SRM,SRM 3262,St. John's wort,nutrition,dietary supplements,certified value,reference value,Food and Nutrition,
Modified: 2024-02-22
Views: 0
SRM 3264 St. John's Wort (Hypericum perforatum L.) Methanol Extract
Data provided by National Institute of Standards and Technology
SRM 3264 St. John's Wort (Hypericum perforatum L.) Methanol Extract - This Standard Reference Material (SRM) is intended primarily for use in validating analytical methods for the determination of chlorogenic acid, flavonoids, naphthodianthrones, and toxic elements in methanol extracts of Hypericum perforatum L. and similar materials. This data is public in the Certificate of Analysis for this material.
Tags: Standard Reference materials,SRM,SRM 3264,St. John's wort,nutrition,dietary supplements,certified value,reference value,Food and Nutrition,
Modified: 2024-02-22
Views: 0
SRM 3281 Cranberry (Fruit)
Data provided by National Institute of Standards and Technology
SRM 3281 Cranberry (Fruit) - This Standard Reference Material (SRM) is intended primarily for use in validating analytical methods for the determination of organic acids in the fruit of cranberries and similar matrices. This SRM can also be used for quality assurance when assigning values to in-house control materials. This data is public in the Certificate of Analysis for this material.
Tags: Standard Reference materials,SRM,SRM 3281,Cranberry,food,nutrition,dietary supplement,anthocyanin,certified value,reference value,Food and Nutrition,
Modified: 2024-02-22
Views: 0
SRM 3282 Low-Calorie Cranberry Juice Cocktail
Data provided by National Institute of Standards and Technology
SRM 3282 Low-Calorie Cranberry Juice Cocktail. This Standard Reference Material (SRM) is intended primarily for use in validating analytical methods for the determination of organic acids and nutrient elements in cranberry juice cocktails and similar matrices. This SRM can also be used for quality assurance when assigning values to in-house control materials. A unit of SRM 3282 consists of five ampoules, each containing approximately 1.2 mL of material. This data is public in the Certificate of Analysis for this material.
Tags: Standard Reference materials,SRM,SRM 3282,cranberry juice,juice,food,nutrition,anthocyanin,certified value,reference value,Food and Nutrition,
Modified: 2024-02-22
Views: 0
SRM 3287 Blueberry (Fruit)
Data provided by National Institute of Standards and Technology
SRM 3287 Blueberry (Fruit). This Standard Reference Material (SRM) is intended primarily for use in validating analytical methods for the determination of organic acids and nutrients in blueberries and similar materials. This SRM can also be used for quality assurance when assigning values to in-house control materials. A unit of SRM 3287 consists of five packets, each containing approximately 5 g of freeze-dried, powdered fruit. This data is public in the Certificate of Analysis for this material.
Tags: Standard Reference materials,SRM,SRM 3287,blueberry,food,nutrition,dietary supplement,anthocyanin,certified value,reference value,Food and Nutrition,
Modified: 2024-02-22
Views: 0
SRM 3532 Calcium-Containing Solid Oral Dosage Form
Data provided by National Institute of Standards and Technology
SRM 3532 Calcium-Containing Solid Oral Dosage Form - This Standard Reference Material (SRM) is intended primarily for validation of methods for determining cholecalciferol (vitamin D3) and elements in a calcium dietary supplement and similar materials. This SRM can also be used for quality assurance when assigning values to in-house reference materials. A unit of SRM 3532 consists of five packets, each containing approximately 10 g of material. This data is public in the Certificate of Analysis for this material.
Tags: Standard Reference materials,SRM,SRM 3532,calcium supplement,food,nutrition,dietary supplements,certified value,reference value,Food and Nutrition,
Modified: 2024-02-22
Views: 0