
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"
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Potassium Chloride
CAS:Formula:KClPurity:>99.5%(T)Color and Shape:White powder to crystalMolecular weight:74.55Hexyl 7-(Diethylamino)coumarin-3-carboxylate
CAS:Formula:C20H27NO4Purity:>98.0%(T)(HPLC)Color and Shape:Light yellow to Brown powder to crystalMolecular weight:345.44Resorufin
CAS:Formula:C12H7NO3Purity:>95.0%(HPLC)Color and Shape:Dark green to Dark blue to Black powder to crystalMolecular weight:213.19Nitromethane
CAS:Formula:CH3NO2Purity:>98.0%(GC)Color and Shape:Colorless to Light yellow to Light orange clear liquidMolecular weight:61.04(1R,2R)-(+)-1,2-Diphenylethylenediamine
CAS:Formula:C14H16N2Purity:>98.0%(GC)(T)Color and Shape:White to Orange to Green powder to crystalMolecular weight:212.30Coumarin 153 (purified by sublimation)
CAS:Formula:C16H14F3NO2Purity:>99.0%(T)(HPLC)Color and Shape:Light yellow to Yellow to Orange powder to crystalMolecular weight:309.29N-(tert-Butoxycarbonyl)glycine
CAS:Formula:C7H13NO4Purity:>98.0%(T)Color and Shape:White to Almost white powder to crystalMolecular weight:175.18Formoxime (10% in Water, ca. 2.4mol/L)
CAS:Formula:CH3NOColor and Shape:Colorless to Almost colorless clear liquidMolecular weight:45.043-Carboxy-2,2,5,5-tetramethylpyrrolidine 1-Oxyl Free Radical
CAS:Formula:C9H16NO3Purity:>98.0%(T)(HPLC)Color and Shape:Light orange to Yellow to Green powder to crystalMolecular weight:186.23(R,R)-(-)-2,3-Butanediol
CAS:Formula:C4H10O2Purity:>97.0%(GC)Color and Shape:White or Colorless to Light yellow powder to lump to clear liquidMolecular weight:90.12[[(3,5-Dimethyl-1H-pyrrol-2-yl)(3,5-dimethyl-2H-pyrrol-2-ylidene)methyl]methane](difluoroborane)
CAS:Formula:C14H17BF2N2Purity:>98.0%(GC)Color and Shape:Light yellow to Brown powder to crystalMolecular weight:262.112-Naphthoic Acid
CAS:Formula:C11H8O2Purity:>98.0%(GC)(T)Color and Shape:White to Light yellow powder to crystalMolecular weight:172.18Diphenylcarbazone (contains Diphenylcarbazide)
CAS:Formula:C13H12N4OPurity:>40.0%(HPLC)Color and Shape:Light yellow to Brown powder to crystalMolecular weight:240.27(S)-(-)-1-(1-Naphthyl)ethylamine
CAS:Formula:C12H13NPurity:>99.0%(GC)Color and Shape:Colorless to Light orange to Yellow clear liquidMolecular weight:171.244-Dimethylaminoazobenzene-4'-carboxylic Acid
CAS:Formula:C15H15N3O2Purity:>97.0%(T)(HPLC)Color and Shape:Yellow to Amber to Dark red powder to crystalMolecular weight:269.301,1'-Diethyl-2,2'-cyanine Iodide
CAS:Formula:C23H23IN2Purity:>98.0%(HPLC)Color and Shape:Orange to Brown to Dark red powder to crystalMolecular weight:454.364-(3,5-Dibromo-2-pyridylazo)-1,3-phenylenediamine [for Colorimetric Analysis of Co, Cd]
CAS:Formula:C11H9Br2N5Purity:>98.0%(T)Color and Shape:Light yellow to Brown powder to crystalMolecular weight:371.04(R)-(-)-N-(3,5-Dinitrobenzoyl)-α-phenylglycine
CAS:Formula:C15H11N3O7Purity:>98.0%(T)(HPLC)Color and Shape:White to Almost white powder to crystalMolecular weight:345.27N-(tert-Butoxycarbonyl)-1,2-diaminoethane
CAS:Formula:C7H16N2O2Purity:>97.0%(GC)Color and Shape:Colorless to Light yellow clear liquidMolecular weight:160.22[[(4-tert-Butyl-3,5-dimethyl-1H-pyrrol-2-yl)(4-tert-butyl-3,5-dimethyl-2H-pyrrol-2-ylidene)methyl]methane](difluoroborane)
CAS:Formula:C22H33BF2N2Purity:>98.0%(HPLC)(N)Color and Shape:Orange to Red powder to crystalMolecular weight:374.33Hexyltriethoxysilane
CAS:Formula:C12H28O3SiPurity:>97.0%(GC)Color and Shape:Colorless to Almost colorless clear liquidMolecular weight:248.44trans-2-[3-(4-tert-Butylphenyl)-2-methyl-2-propenylidene]malononitrile
CAS:Formula:C17H18N2Purity:>98.0%(HPLC)(N)Color and Shape:Light orange to Yellow to Green powder to crystalMolecular weight:250.35Hexafluorobenzene
CAS:Formula:C6F6Purity:>99.0%(GC)Color and Shape:Colorless to Almost colorless clear liquidMolecular weight:186.06D-(-)-Mandelic Acid
CAS:Formula:C8H8O3Purity:>99.0%(GC)(T)Color and Shape:White to Light yellow powder to crystalMolecular weight:152.15Acid Red 52
CAS:Formula:C27H29N2NaO7S2Purity:>98.0%(HPLC)Color and Shape:Orange - Black Solid FormMolecular weight:580.65Thiomichler's Ketone [Sensitive spectrophotometric reagent for Au, Ag, Hg and Pd, use for the determination of residual chlorine]
CAS:Formula:C17H20N2SPurity:>95.0%(T)Color and Shape:Orange to Brown to Dark purple powder to crystalMolecular weight:284.42Azomethine H Monosodium Salt [Spectrophotometric Reagent for B]
CAS:Formula:C17H12NNaO8S2Purity:>97.0%(T)Color and Shape:Light yellow to Brown powder to crystalMolecular weight:445.39Ethylbenzene
CAS:Formula:C8H10Purity:>99.0%(GC)Color and Shape:Colorless clear liquidMolecular weight:106.17N-Benzoyl-N-phenylhydroxylamine
CAS:Formula:C13H11NO2Purity:>98.0%(N)Color and Shape:White to Almost white powder to crystalMolecular weight:213.249-Aminoacridine (purified by sublimation)
CAS:Formula:C13H10N2Purity:>99.5%(GC)Color and Shape:Light orange to Yellow to Green powder to crystalMolecular weight:194.24(S)-(+)-1-(1-Naphthyl)ethyl Isocyanate
CAS:Formula:C13H11NOPurity:>95.0%(GC)Color and Shape:Colorless to Light yellow clear liquid to slightly cloudy liquidMolecular weight:197.24Pyridine-2-carboxylic Acid
CAS:Formula:C6H5NO2Purity:>99.0%(T)Color and Shape:White to Almost white powder to crystalMolecular weight:123.11Dimidium Bromide
CAS:Formula:C20H18BrN3Purity:>98.0%(HPLC)Color and Shape:Orange to Brown to Dark purple powder to crystalMolecular weight:380.294-Nitrobenzoic Acid
CAS:Formula:C7H5NO4Purity:>99.0%(GC)(T)Color and Shape:White to Yellow to Yellow green powder to crystalMolecular weight:167.122',6'-Dihydroxyacetophenone
CAS:Formula:C8H8O3Purity:>97.0%(T)Color and Shape:White to Light yellow to Green powder to crystalMolecular weight:152.15(R)-(-)-α-Methoxy-α-(trifluoromethyl)phenylacetyl Chloride (ca. 18% in Dichloromethane, ca. 1.0mol/L) [for Determination of the optical purity of Alcohols and Amines]
CAS:Formula:C10H8ClF3O2Purity:min. 99.0 ee%(GC)Color and Shape:Colorless to Almost colorless clear liquidMolecular weight:252.623,3,3',3'-Tetramethyl-1,1'-bis(4-sulfobutyl)indocarbocyanine Sodium Salt
CAS:Formula:C31H39N2NaO6S2Purity:>98.0%(HPLC)(N)Color and Shape:Yellow to Dark green to Black powder to crystalMolecular weight:622.77(-)-Camphanic Acid
CAS:Formula:C10H14O4Purity:>98.0%(T)Color and Shape:White to Almost white powder to crystalineMolecular weight:198.22Sodium Flavonol-2'-sulfonate Hydrate [for Determination of Sn, Zr]
CAS:Formula:C15H9NaO6S·xH2OPurity:>98.0%(T)(HPLC)Color and Shape:White to Light yellow powder to crystalMolecular weight:340.28 (as Anhydrous)Sodium 5-(2-Aminoethylamino)-1-naphthalenesulfonate
CAS:Formula:C12H13N2NaO3SPurity:>98.0%(HPLC)Color and Shape:Light orange to Yellow to Green powder to crystalMolecular weight:288.30N-(2-Carboxybenzoyl)-(-)-10,2-camphorsultam
CAS:Formula:C18H21NO5SPurity:>98.0%(T)(HPLC)Color and Shape:White to Almost white powder to crystalMolecular weight:363.43Potassium Perrhenate
CAS:Formula:KReO4Color and Shape:White to Gray powder to crystalMolecular weight:289.30H-Phg-OMe·HCl
CAS:Formula:C9H11NO2·HClPurity:>98.0%(T)(HPLC)Color and Shape:White to Light yellow powder to crystalMolecular weight:201.65Disodium Chromotropate Dihydrate
CAS:Formula:C10H6Na2O8S2·2H2OPurity:>98.0%(T)Color and Shape:White to Gray to Brown powder to crystalineMolecular weight:400.28(R)-(-)-2-Methoxy-2-(1-naphthyl)propionic Acid
CAS:Formula:C14H14O3Purity:>99.0%(HPLC)Color and Shape:White to Light yellow powder to crystalMolecular weight:230.26Dichloromethane (stabilized with 2-Methyl-2-butene) [for Spectrophotometry]
CAS:Formula:CH2Cl2Purity:>99.5%(GC)Color and Shape:Colorless clear liquidMolecular weight:84.93TCPP [=Tetrakis(4-carboxyphenyl)porphyrin] [Ultra-high sensitive spectrophotometric reagent for Cu, Cd] [For the simultaneous determination of metals by HPLC]
CAS:Formula:C48H30N4O8Purity:>97.0%(T)(HPLC)Color and Shape:Dark purple powder to crystalMolecular weight:790.79Heptane [for Spectrophotometry]
CAS:Formula:C7H16Purity:>99.0%(GC)Color and Shape:Colorless clear liquidMolecular weight:100.21Arsenazo I Trisodium Salt
CAS:Formula:C16H10AsN2Na3O11S2Purity:>90.0%(T)Color and Shape:Dark red to Brown powder to crystalMolecular weight:614.27Bromobimane
CAS:Formula:C10H11BrN2O2Purity:>98.0%(HPLC)Color and Shape:Light yellow to Yellow to Orange powder to crystalMolecular weight:271.11
