
Spectroscopy Standards
Spectroscopy standards are critical reference materials used for accurate and reliable spectroscopic determinations. This category includes a variety of standards essential for different spectroscopic techniques, such as atomic absorption standards and atomic emission standards, which are vital for precise measurement of metal concentrations. Additionally, the category encompasses standards for spin resonance, crucial for Electron Spin Resonance (ESR) and Nuclear Magnetic Resonance (NMR) spectroscopy, ensuring accurate calibration and validation of these instruments. Spectrophotometry standards are also included, providing benchmarks for the quantitative analysis of light absorption in various samples. These standards play a pivotal role in ensuring the accuracy, consistency, and reproducibility of spectroscopic measurements across numerous scientific and industrial applications, including environmental analysis, pharmaceutical testing, and materials research. By offering high-purity reference materials, spectroscopy standards support the development of reliable analytical methods and the maintenance of stringent quality control protocols.
Subcategories of "Spectroscopy Standards"
- Atomic Absorption Standards(128 products)
- Atomic Emission Standards(37 products)
- Electron Spin Resonance (ESR/EPR) Spectroscopy(42 products)
- Spectrophotometry Standards(72 products)
Found 1357 products of "Spectroscopy Standards"
Sort by
Purity (%)
0
100
|
0
|
50
|
90
|
95
|
100
Fluorescein Chloride [Reagent for Amines]
CAS:Formula:C20H10Cl2O3Purity:>95.0%(HPLC)Color and Shape:Light yellow to Yellow to Orange powder to crystalMolecular weight:369.20[[(4-Ethyl-3,5-dimethyl-1H-pyrrol-2-yl)(4-ethyl-3,5-dimethyl-2H-pyrrol-2-ylidene)methyl]methane](difluoroborane)
CAS:Formula:C18H25BF2N2Purity:>98.0%(HPLC)Color and Shape:Light yellow to Brown powder to crystalineMolecular weight:318.22[[(3,5-Dimethyl-1H-pyrrol-2-yl)(3,5-dimethyl-2H-pyrrol-2-ylidene)methyl]methane](difluoroborane) (purified by sublimation)
CAS:Formula:C14H17BF2N2Purity:>99.5%(GC)Color and Shape:Light yellow to Brown powder to crystalMolecular weight:262.114-Glycidyloxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical
CAS:Formula:C12H22NO3Purity:>95.0%(GC)(T)Color and Shape:Orange to Brown powder to crystalMolecular weight:228.31Sulfonfluorescein
CAS:Formula:C19H12O6SPurity:>75.0%(T)(HPLC)Color and Shape:Orange to Amber to Dark red powder to crystalMolecular weight:368.36(S)-(+)-2-Phenylpropionic Acid
CAS:Formula:C9H10O2Purity:>98.0%(GC)(T)Color and Shape:White or Colorless to Light yellow powder to lump to clear liquidMolecular weight:150.184-Methoxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical [Catalyst for Oxidation]
CAS:Formula:C10H20NO2Purity:>98.0%(GC)(T)Color and Shape:Orange to Amber to Dark red powder to crystalMolecular weight:186.283,3'-Diaminobenzidine
CAS:Formula:C12H14N4Purity:>98.0%(HPLC)Color and Shape:White to Brown powder to crystalMolecular weight:214.275-Amino-1-naphthol
CAS:Formula:C10H9NOPurity:>97.0%(T)(HPLC)Color and Shape:Purple to Dark purple to Dark red powder to crystalMolecular weight:159.19Bis(3-methyl-1-phenyl-5-pyrazolone) [for Determination of CN, Vitamin B12, etc]
CAS:Formula:C20H18N4O2Purity:>97.0%(T)Color and Shape:White to Orange to Green powder to crystalMolecular weight:346.394-Bromobenzoic Acid
CAS:Formula:C7H5BrO2Purity:>98.0%(GC)(T)Color and Shape:White to Light yellow powder to crystalMolecular weight:201.02(S)-(+)-α-Methoxyphenylacetic Acid
CAS:Formula:C9H10O3Purity:>98.0%(GC)(T)Color and Shape:White to Light yellow powder to crystalMolecular weight:166.18Coumarin 153
CAS:Formula:C16H14F3NO2Purity:>95.0%(T)(HPLC)Color and Shape:Light yellow to Yellow to Orange powder to crystalineMolecular weight:309.293-Amino-4-hydroxybenzoic Acid
CAS:Formula:C7H7NO3Purity:>97.0%(T)(HPLC)Color and Shape:White to Gray to Brown powder to crystalMolecular weight:153.142,5-Dihydroxybenzoic Acid [Matrix for MALDI-TOF/MS]
CAS:Formula:C7H6O4Purity:>99.0%(GC)(T)Color and Shape:White to Light yellow powder to crystalMolecular weight:154.12(1S,2S)-(+)-N,N'-Dimethylcyclohexane-1,2-diamine
CAS:Formula:C8H18N2Purity:>98.0%(GC)Color and Shape:White to Light yellow to Light orange powder to lumpMolecular weight:142.25[[(3,5-Dimethyl-4-sulfo-1H-pyrrol-2-yl)(3,5-dimethyl-4-sulfo-2H-pyrrol-2-ylidene)methyl]methane](difluoroborane) Disodium Salt
CAS:Formula:C14H15BF2N2Na2O6S2Purity:>96.0%(HPLC)Color and Shape:Light yellow to Brown powder to crystalMolecular weight:466.19TPPS (=Tetraphenylporphyrin Tetrasulfonic Acid) [Ultra-high sensitive spectrophotometric reagent for transition metals]
CAS:Formula:C44H30N4O12S4Purity:>85.0%(HPLC)Color and Shape:Dark blue powder to crystalMolecular weight:934.985-Chlorosalicylic Acid
CAS:Formula:C7H5ClO3Purity:>98.0%(GC)(T)Color and Shape:White to Almost white powder to crystalMolecular weight:172.563-Indoleacrylic Acid
CAS:Formula:C11H9NO2Purity:>98.0%(T)(HPLC)Color and Shape:White to Gray to Brown powder to crystalMolecular weight:187.20
