Wet chemical analysis

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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.

Electrochemistry on the Bench and in the Field

Nanomaterials, electrochemistry, BASi, LIB, Lithium Ion Batteries, reference electrode, Teflon, silver nitrate, working electrodes, counter electrode, organic electrosynthesis

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.

Enzymatic Method for Determining Branched Chain Amino Acids (BCAA Assay)

Assay protocol for the colorimetric detection of Branched Chain Amino Acids (BCAA) in biological samples using the alanine assay kit.

Importance of Volumetric Solution Standardization

The titer determination or standardization of a titration solution is essential for accurate and reliable titration results.

Selectophore Ionophores

Sigma-Aldrich.com presents an article on Selectophore Ionophores

Calculating Your Working Tolerance: A Guideline

Guideline to calculate your working tolerance - Certified Standard Solutions (CRM)

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.

How to Select the Right Water Purification System for Your Lab

Technical article on Selecting the Right Water Purification System

Analytical Method: Urea in Water and Wastewater, Enzymatic Determination

Urea in water and wastewater, enzymatic determination - Photometric determination using the indophenol blue method after cleavage of the urea

Measuring Chemical Oxygen Demand in Water Treatment Facilities

We are a global leader in the life science industry and have produced test kits to measure numerous analytes. Water Online spoke with us about advances in measuring chemical oxygen demand.

Total Nitrogen Measurement Solution

Total Nitrogen Analysis kit offers a fast, accurate, and cost-effective method for water and wastewater testing.

Safe Drinking Water Act & Clean Water Act

The Safe Drinking Water Act regulates finished drinking water, raw water sources, and distribution to ensure water safety.

Water for BOD & COD Oxygen Demand Testing

Learn about the importance of lab water quality on Chemical Oxygen Demand (COD) and Biochemical (or Biological) Oxygen Demand (BOD) testing in water and wastewater analysis. Find in-depth guidance to establish the optimal lab water solution for your environmental and

Cannabis Potency Testing: Method Dev. & Cost Considerations

Overview of gradient HPLC-based cannabinoid analysis optimized for key method parameters.

Sensitive Determination of Iron in Drinking Water, Mineral Water, Groundwater, and Spring Water Using Rapid Photometric Tests

Spectroquant® Iron Test - a suitable alternative to ICP or AAS for determination of iron in drinking water, mineral water, groundwater, and spring water.

Phosphate Determination in Water

Spectroquant® photometric test accurately quantifies low concentrations of PO4-P in natural waters.