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App Notes

Results 951–960 of 1444

Determination of arsenic and selenium species in drinking water applying IC-ICP/MS

| Contributed by Metrohm

This Application Note shows the simultaneous determination of As(III) (arsenite), As(V) (arsenate), Se(IV) (selenite), and Se(VI) (selenate).

Speciation of Fe(II) and Fe(III) in soil applying IC-ICP/MS according to EPA SW-846 Method 6800

| Contributed by Metrohm

The speciation analysis of iron is crucial because the oxidation state determines the environmental behavior.

Acid Herbicides in Water with On-line SPE-LC-MS/MS (AN863)

| Contributed by Biotage

This application note describes the use of ISOLUTE® ENV+ on-line cartridges in a fully automated on-line SPE-LC-MS/MS method for extraction and quantification of 16 acid herbicides in drinking and surface water.

New, reliable and affordable method for glyphosate analysis presented

| Contributed by Metrohm

This free whitepaper describes a method for the straightforward determination of the herbicide glyphosate and its primary metabolite AMPA in drinking water by ion chromatography.

2D Polymer Analysis of Graft Copolymers

| Contributed by PSS

HPLC techniques can be hyphenated with GPC/SEC in a fully automated setup to deformulate copolymers and analyze heterogeneous components regarding their chemical composition and molar mass distribution.

Plasma-enhanced Chemical Vapor Deposition (PECVD) process monitoring by multi-channel spectrometer

| Contributed by Avantes

According to this research, PECVD plasma monitoring using spectroscopic OES (Optical Emission Spectroscopy) and other complementary methods provides for rich information which helps to control and optimize thin film deposition processes.

AZURA® Analytical HPLC/UHPLC

| Contributed by Knauer

AZURA® Analytical HPLC and UHPLC systems are designed to support and facilitate your work. AZURA systems are the right tool to overcome your analytical challenges.

Measuring the absolute emission quantum yield of photon upconversion processes in solution

| Contributed by Avantes

The efficiency of luminescence is usually quantified by the emission quantum yield (QY), which is defined as the number of emitted photons divided by the number of absorbed photons.

U(H)PLC-solution for steric demanding analytes: YMC-Triart ExRS

| Contributed by YMC

The chemical formula of methyl linolenate and methyl γ-linolenate is exactly the same.

Determination of mannose and mannooligosaccharides with an improved RI detector

| Contributed by Knauer

This application note describes the determination of saccharides with the new AZURA RID (refractive index detector) 2.1L.

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