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spectroscopy
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Showing 1-30 of 270 results for "spectroscopy" within Site Content
Atomic Spectroscopy
Atomic spectroscopy uses the energy absorbed or emitted by electrons to identify and quantify the elemental composition of a sample. It includes various analytical techniques, such as AAS, AES, FAA, GFAA, ICP-OES, ICP-MS and XRF.
What is FTIR Spectroscopy?
Learn about FTIR Spectroscopy (Fourier transform infared spectroscopy). Learn what is FTIR, what it does and how it works. Useful information on this widely used technique, example of FTIR graph chart and more.
Chromatography & Spectroscopy Reagents
Explore our selection of high-quality analytical reagents for wet chemistry, chromatography, spectroscopy, analytical, titration, water quality control, and electrochemistry.
Identification of Cell Culture Media with Raman Spectroscopy
Identification of cell culture media samples by traditional LC methods, such as amino acid or vitamin analysis, has high costs, and requires significant analytical expertise and laboratory space.
Isotopic Labeling for NMR Spectroscopy of Biological Solids
Isotopic Labeling for NMR Spectroscopy of Biological Solids;
Determination of Phospholipid Oxidation by UV/VIS Spectroscopy - Avanti® Polar Lipids
The percent oxidation of a phospholipid can be determined by using Beer’s Law to calculate the peroxidized phospholipid’s concentration from its absorbance at 234 nm.
Integration of Raman Spectroscopy for In-line and Real-time Monitoring of Critical Process Parameters and Quality Attributes in CHO Cell Perfusion Cultivation Modes
In this webinar, we will explore the use and benefits of Raman spectroscopy for monitoring bench-scale CHO cell intensified seed trains (N-1), steady state and dynamic perfusion (N) cultures. And also discover the value of combining automated sampling with Raman
Solid-state NMR on Larger Biomolecules
Solid-state NMR on Larger Biomolecules; Sigma-Aldrich.com
Photometry with Spectroquant® Move Product Family
The instruments of the Spectroquant® Move family are compact and robust handheld photometers designed especially for water and environmental analyses.
Quantitative NMR for Content Assignment of Reference Standards for Quality Control of Herbal Medicinal Products
qNMR has proven to be appropriate as a primary analytical method for the certification of natural products as reference standards for QC of herbal medicinals.
Determination of the Carotene Content of Raw Palm Oil acc. to DIN EN ISO 17932:2011
Spectrophotometric measurement at 446 nm; method No. 2523
Transmittance to Absorbance Table
Transmittance to absorbance table for fast conversion. Use this chart as a handy reference in the lab, classroom or field. The online transmittance chart is available to download and share.
Certified Reference Materials
Browse our Certified Reference Materials (CRMs) for applications in forensic and clinical toxicology analysis, diagnostic testing, therapeutic drug monitoring, cannabis testing, environmental analysis, pharmaceutical research, and food & beverage testing.
Testing Food for Fipronil Contamination
Test your food for fipronil contamination using our analytical standards, certified reference materials, solvents, and columns for analysis.
Stable Isotopes
ISOTEC® Stable Isotopes are stable isotope compounds, ranging from gases to complex molecules, that are useful for tracer studies in proteomics and metabolomics, agents for MRI / MRS, and in a wide range of other biomedical applications.
Nuclear Magnetic Resonance (NMR)
NMR spectroscopy is an analytic technique to determine molecular structure, chemical composition and purity. NMR detects the energy absorbed due to nuclear spin states in the presence of a strong magnetic field.
Soil, Solid Waste & Groundwater Testing
Soil and groundwater testing are crucial to avoid adverse impact on the environment and human health. Learn about the importance of solid waste management and methods used for soil and groundwater testing for heavy metals and other environmental pollutants.
Acids in Safebreak Bottles
Glass bottles are ideal for storing acids because they are inert and offer a long shelf life.
Photometry & Reflectometry
Photometry measures the amount of an analyte in a sample solution based on the light absorbed. Reflectometry measures reflected light of a surface determining characteristics such as color to draw conclusions on e.g. analyte concentrations.
Proficiency Testing Standards
Proficiency testing or interlaboratory comparison testing is a tool for quality assessment and quality control for laboratories. Our Supelco® PT and test components offer key performance data to monitor and prove the competency to customers, regulatory bodies, or both.
¹³ C MRS to Probe Brain Metabolism Using Hyperpolarized Pyruvic Acid
We present an article about the hyperpolarization of 13C labeled metabolites, especially pyruvic acid, using dynamic nuclear polarization (DNP) that allows real-time magnetic resonance spectroscopy.
Identification, Assay and Organic Impurity Profiling Methods for Aripiprazole following the United States Pharmacopeia Monograph
Aripiprazole is an atypical antipsychotic and a partial dopamine agonist. It is primarily used in the treatment of schizophrenia, bipolar disorder, major depressive disorder, tic disorders, and irritability associated with autism. Aripiprazole was first approved by the U.S. Food and
Milli-Q® IX Pure Water System
Type 2 pure water from tap. Milli-Q® IX systems are compact, offers 4 flow rates, 3 tank sizes, and quality monitoring directly on the dispenser’s touchscreen interface.
Mass Spectrometry
Mass spectrometry (MS) is an analytical tool used to identify compounds, determine chemical structure, and assess isotopic abundance. In MS, samples are ionized, and the resulting ions are identified based on their mass-to-charge (m/z) ratios.
Ammonium in Soils
In a glass bottle mix 50 g of naturally moist sample, free from coarse stones, with 100 ml of the calcium chloride solution 0.025 mol/l.
Calcium in Beer
Photometric determination with phthalein derivative
Milli-Q® IQ 7003/05/10/15 Ultrapure & Pure Lab Water Purification System
Milli-Q® IQ 7003/05/10/15 lab water systems provide consistent-quality Type 1 and Type 2 water, are intuitive to use, and can support your lab's sustainability goals.
Flavor & Fragrance Formulation
Flavor and fragrance formulation is critical for the development of new food and personal care products. Learn more about the flavor and fragrance industry, as well as applicable regulations.
Long Oligos
Our experience with gene construction and microarray development provides us with insight into the potential difficulties of long-oligo synthesis.
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