1830 Results for: "Analytical Standards"

Supplier: AVANTOR PERFORMANCE MATERIAL LLC

Biochromatography columns for analytical and preparative HPLC, low pressure LC and batch purification.

Supplier: TCI America

Product Categories: Analytical Science, Standard Materials for GC

Supplier: SPEX CERTIPREP LLC

Ion Chromarography & Ion Selective Electrode Standards
Single and Multi-Element Standards for Ion Chromatography

Ion chromatography (IC) is an analytical process for the separation of ions based on charge affinity. IC can be used for a variety of different kinds of charged analytes from single elements to large proteins. In order to ensure accurate analysis, quality standards which are traceable and stable are necessary. SPEX CertiPrep offers the highest quality IC standards available for the analytical laboratory.

Supplier: DWK Life Sciences (KIMBLE)

with [standard taper] 19/22 and [standard taper] 24/40 Clear-Seal joints. For the concentration of trace amounts of analyte in an organic solvent prior to analysis.

Supplier: Ricca Chemical

Four components standard.

Supplier: SPEX CERTIPREP LLC

Whole volume standard

Supplier: TCI America

Product Categories: Analytical Science, Standard Materials for GC

Supplier: Ricca Chemical

Iron stock standard.

Supplier: SPEX CERTIPREP LLC

CLP Standards for ICP & ICP-MS

Supplier: SPEX CERTIPREP LLC

Whole volume standard

Supplier: SPEX CERTIPREP LLC

Consumer Safety Standards
Analytical Standards for Wine

Wine is a complex combination of water, alcohol and other substances such as organic acids, phenols, sugars, carbon dioxide, and sulfur dioxide. The chemical interactions of these compounds, combined with the aging process, determine the quality of the color, taste and aroma of the wine. However, during this process, the chemical interactions can also play key roles in spoiling the wine. For instance, cork taint transpires when naturally occurring airborne fungi are in the presence of chlorophenol compounds to form 2,4,6-trichloranisole (TCA) in the wine. When this occurs, the wine’s aroma is reduced significantly and is replaced by an undesirable smell and taste.

To help regulate the spoilage of wine, the wine industry tests for several compounds that are known to cause this. For this industry, SPEX CertiPrep offers Certified Reference Materials (CRMs) for wine that are designed for GC, GC/MS, HPLC and LC/MS analysis. These standards are manufactured from the highest purity starting materials and the highest grade of solvents available in order to guarantee superior quality. Each standard is supplied with a detailed comprehensive Certificate of Analysis.

Supplier: Mettler Toledo

METTLER TOLEDO Standard MA Legal for Trade Analytical Balances are highly accurate, efficient, simple to operate and designed with robust construction for proven long lasting performance.

Supplier: Thermo Scientific Chemicals

Phenazopyridine Hydrochloride, 99%, Analytical Standard

Supplier: BeanTown Chemical

EC No: 201-176-3; RTECS: UE5950000

Supplier: MilliporeSigma

The Tocopherol set is to be used as a quantitative standard, and the material should be weighed analytically before use

Supplier: SPEX CERTIPREP LLC

CLP Standards for ICP & ICP-MS
Our Contract Laboratory Program (CLP) standards allow you to Calibrate with Confidence®. The standards are to be used in conjunction with the Statement of Work for Inorganic Analysis; Multi-Media/Multi-Concentration Document Number ILM 05.3/ISM 01.2.

The final ICP check, performed in our own laboratories, is your stamp of assurance. We calibrate our instruments with traceable reference materials and show you the actual found value of the solution you receive, not just an ideal, calculated number as so many other standards manufacturers do. The combination of elements, concentrations and matrices listed have been diagnosed by SPEX CertiPrep for convenience of use and stability.

US EPA SOW ILM 05.3/ISM 01.2 gives specific procedures for the methods of analysis, target elements, and concentrationlevels. Standards are specified not only by the elements present and their relative concentrations, but also the order and frequency of running standards, blanks and samples. Details of these specifications may be found in the US EPA SOW ILM 05.3/ISM 01.2 in the following sections:

• Exhibit C, Inorganic Target Analyte List (TAL)
• Exhibit D, Analytical Methods
• Exhibit E, QA/QC Requirements

CLP ISM 01.2 Standards for ICP-MS
Our spike standard, CL-SPIKE-4, provides all of the analytes required for the ICP-MS and the AA spike. Add 1 ml of CL-SPIKE-4 to aqueous samples and 2 ml of CL-SPIKE-4 to solid samples prior to digestion.

CLP ILM 05.3 Standards for ICP-MS
Our spike standard, CL-SPIKE-4, provides all of the analytes required for the ICP-MS.

Supplier: Ultra Scientific

Internal Standard Mixture. Concentration: 2000µg/mL. No. of Analytes: 6. Solvent: Dicholomethane. Unit of Issue: Ampule.

Supplier: AVANTOR PERFORMANCE MATERIAL LLC

AR—The standard Macron Fine Chemicals™ grade of analytical reagents; suitable for laboratory and general use. If the reagent also meets the requirements of the American Chemical Society Committee on Analytical Reagents, it will be denoted as an AR (ACS) reagent. 

Supplier: Restek

These petroleum standards are gravimetrically prepared, NIST-traceable by weight, and have been verified by one or more analytical methods.

Supplier: SPEX CERTIPREP LLC

Semivolatiles, US EPA method 625 is an analytical method for the monitoring of acid and base neutral extractable fractions in municipal and industrial wastewater by GC/MS. US EPA method 8270 is a general analytical method for the monitoring of semivolatiles in environmental and waste samples by GC/MS. CLP series methods: The US EPA retains analytical services through the Contract Laboratory Program (CLP). The CLP follows detailed SOPs derived from EPA methods and SW-846. The CLP volatile organic analysis method is an analytical method for the analysis of aqueous or solid samples for VOCs by GC/MS.

Supplier: Macherey-Nagel

A range of analytical reagents for photometric water analysis in the NANOCOLOR® standard test version.

Supplier: Thermo Scientific Chemicals

Methyl oleate 99% analytical standard for GC

Supplier: Cytiva

A standard grade filter used for many routine analytical applications in different industries (e.g., particle separation from food extracts or filtration of solids from digested environmental samples for iCP/AAs analysis).

Supplier: Restek

Foam generated as purge gas passes through a sample can enter the analytical trap and possibly the GC column. This silica-containing antifoam agent is effective over a wide pH range and will not conflict with chromatography of target analytes.

Supplier: Electron Microscopy Sciences

Agarose I™ is standard melting/gelling agarose, suitable for routine nucleic acid analytical/preservative applications

Supplier: Ultra Scientific

Individual Standards. Concentration: 100 µg/mL. No. of Analytes: 1. Solvent: Methyl Alcohol. Unit of Issue: Ampule.

Supplier: Upchurch Scientific

Wrenches are available in three standard sizes, to accommodate the hex headed fittings used throughout the analytical industry

Supplier: SPEX CERTIPREP LLC

High concentration analytical standard for terpene analysis contains the most abundant terpenes found in cannabis products

Supplier: Thermo Scientific Chemicals

Methyl docosanoate 99% analytical standard for GC

Supplier: SPEX CERTIPREP LLC

Validate analytical methods and evaluate the quality of your results with certified reference materials.