You searched for: Standards

Supplier: Hach

Stablcal® calibration standards kit, for 2100 series portable turbidimeters. USEPA accepted for calibration purposes. Stablcal® stabilized formazin turbidity standards are true formazin dilutions developed for use in any turbidimeter.

Supplier: Invitrogen

Thermo Scientific™ Peptide Digest Assay Standard is a validated protein digest reference sample optimized for use in quantitative peptide assays to improve reproducibility and accuracy.Robust peptide assay standard—the only commercially available peptide digest standard that has been developed for use in a quantitative peptide assayValidated—validated for both the Pierce Quantitative Fluorometric Peptide Assay and the Pierce Quantitative Colorimetric Peptide Assay with comparable standard curves using both assaysStable—liquid formulation is stored at 4⁰C, eliminating variability due to freeze-thawsEasy-to-use—provided in a liquid format with a known peptide concentrationThe Peptide Digest Assay Standard was designed as reference standard for use with the Pierce Quantitative Fluorometric and Colorimetric Peptide Assays to augment the reproducibility and accuracy of peptide quantitation in a microplate-based assay.The reference protein has been digested with MS-grade trypsin to minimize missed cleavages

Supplier: Hach

For accuracy checks in chloride determinations. Also suitable for standardising conductivity apparatus.

Supplier: Hach

Standards for 2100N and 2100N Is

Supplier: Aqua Solutions

Mercaptan Standard in Hexane, Aqua Solutions

Supplier: Inorganic Ventures

These standards are designed for Rev. 4.4 and 5.4.

Supplier: Aqua Solutions

These conductivity standards are traceable to NIST standards.

Supplier: Aqua Solutions

Sulfide Standard, Aqua Solutions

Supplier: Hach

This equivalent standard is prepared with stabilized sodium thiosulfate, since sulphite is not a stable in solution.

Supplier: Hach

Stablcal® turbidity standards for all turbidimeters. USEPA accepted for calibration purposes. Stablcal® stabilized formazine turbidity standards are true formazine dilutions developed for use in any turbidimeter.

Supplier: Inorganic Ventures

300.1 500ug/mL Dichloroacetate Standard, Size: 125mL.

Supplier: Aqua Solutions

Nitrogen Standard, in Isooctane, Aqua Solutions

Supplier: HACH COMPANY MS

Standard solution for accuracy checks in alkalinity determinations.

Supplier: Inorganic Ventures

Certified reference material for Calcium, traceable to NIST.

Supplier: Inorganic Ventures

Certified reference material for Gallium, traceable to NIST.

Supplier: Inorganic Ventures

Certified reference material for Indium, traceable to NIST.

Supplier: Inorganic Ventures

Certified reference material for Ruthenium, traceable to NIST.

Supplier: Inorganic Ventures

Certified reference material for Manganese, traceable to NIST.

Supplier: Inorganic Ventures

Certified reference material for Dysprosium, traceable to NIST.

Supplier: Inorganic Ventures

Certified reference material for Iridium, traceable to NIST.

Supplier: Inorganic Ventures

Certified reference material for Iron, traceable to NIST.

Supplier: Inorganic Ventures

Certified reference material for Nickel, traceable to NIST.

Supplier: Aqua Solutions

Glucose Standard Solution, 1% Aqueous Solution,

Supplier: Inorganic Ventures

Certified reference material for Rhenium, traceable to NIST.

Supplier: Hach

For accuracy checks and instrument calibrations in sodium determinations.

Supplier: Hach

Standard solution for accuracy checks in aluminium determinations.

Supplier: Inorganic Ventures

Certified reference material for Phosphorus, traceable to NIST.

Supplier: Inorganic Ventures

Certified reference material for Scandium, traceable to NIST.

Supplier: Inorganic Ventures

Certified reference material for Erbium, traceable to NIST.

Supplier: Inorganic Ventures

Certified reference material for Cadmium, traceable to NIST.