Spectroscopy Standards

Standard-value, reference solutions designed for the exact calibration of spectrometers; standards guarantee that machines function properly for accurate spectral lines.

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2,956 – 2,970 of 4,814 results

2,956

Cayman Chemical Latanoprostd4 GC MS Standards

An internal standard for the quantification of latanoprost by GC- or LC-MS

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2,957

Cayman Chemical 4oxo2Nonenald3 GC MS Standards

An internal standard for the quantification of 4-ONE by GC- or LC-MS

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2,958

Cayman Chemical 9 10EpOMEd4 GC MS Standards

An internal standard for the quantification of latanoprost by GC- or LC-mass spectrometry (MS).

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2,959

Hach Company SpecCheck Gel Secondary Standard Set, Ozone, Mid-Range

For Ozone Indigo method, MR, 0-.75 mg/L as O₃ Used to confirm consistent instrument response. Set contains four vials filled with gels that simulate the test color at various concentrations.

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2,960

Cayman Chemical 11 12DiHETd11 GC MS Standards

An internal standard for the quantification of 11(12)-DiHET by GC- or LC-MS

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2,961

Waters Corp WATERS CORPORATION Leucine Enkephalin, Solid, 3 mg, MS Calibration

Leucine Enkephalin is a lyophilized peptide intended to be used as a reference material for mass spectrometer tuning and calibration. It helps ensure instruments are fine-tuned with precision, avoiding erroneous results caused by improperly adjusted parameters.

Provided as a lyophilized peptide for mass spectrometer tuning and calibration.
Each package contains two vials, each with 3 mg of solid leucine enkephalin.
Optimal storage at -20°C ± 10°C upon arrival.
Shelf life of 6 months after shipping.
Shelf life of 1 week upon reconstitution.
Suitable for use in various volumes, including 2 ng/μL, 1 ng/μL, 200 pg/μL, and 50 pg/μL.
Optimally used with a mixture of half acetonitrile and half water with 0.1% formic acid.
Easy to transfer into mixtures using a 1,000 μL pipette for precision.

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2,962

Crescent Chemical Co Inc MAGNESIUM ICP STD 100ML

Magnesium, HN03 Single Element Plasma Emission Spectroscopy Standards 1,000 UgmL NIST Traceable CAS Size - 100mL Catalog Number - 8562

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2,963

Crescent Chemical Co Inc Phosphorous, HN03, 100mL

Phosphorous, HN03, 100mL, Single Element Plasma Emission Spectroscopy Standards 1,000 UgmL NIST Traceable

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2,964

Waters Corporation Test Standard, RapiFluor-MS, High Mannose, N-Glycan Analysis

The RapiFluor-MS High Mannose Test Standard is for proficiency and system suitability testing in N-glycan analysis. It contains approximately 1000 pμmoles of purified, RapiFluor-MS labeled N-glycans from bovine ribonuclease B (M5 to M9 mannose structures). It aids in reliable detection and quantification of high mannose glycans for consistent glycan profiling.

Proficiency and system suitability standard for N-glycan analysis.
Contains approx. 1000 pμmoles of purified, RapiFluor-MS labeled N-glycans from bovine ribonuclease B.
Detects high mannose structures: M5 to M9.
Usable independently or spiked into N-glycan pools.
Ensures accuracy and consistency in glycan profiling.
Enhances signal intensity and improves glycan identification via RapiFluor-MS labeling.
Validates method performance, calibrates instruments, and verifies system suitability.