Show Advanced Search

REFINE YOUR SEARCH:

Containing Text
- - -
+
Filter by author or institution
GO
Filter by publication date
From:
October, 2006
Until:
Today
Filter by journal section

Filter by science education

 
 
Chemistry Techniques, Analytical: Methodologies used for the isolation, identification, detection, and quantitation of chemical substances.

Sample Preparation for Analytical Characterization

JoVE 10205

Source: Laboratory of Dr. B. Jill Venton - University of Virginia


Sample preparation is the way in which a sample is treated to prepare for analysis. Careful sample preparation is critical in analytical chemistry to accurately generate either a standard or unknown sample for a chemical measurement. Errors in analytical chemistry…

 Analytical Chemistry

Basic Organic Chemistry Techniques- Concept

JoVE 11186

Glassware in Organic Chemistry


There are standard pieces of glassware that are used in the organic chemistry lab. Beakers and Erlenmeyer flasks are typically used for simple mixing or to hold solvents but they should not be used to measure volume, unless only an approximate volume is needed. Glassware can be divided into the following categories:



 Lab: Chemistry

Single-throughput Complementary High-resolution Analytical Techniques for Characterizing Complex Natural Organic Matter Mixtures

1Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, 2Department of Soil, Water and Environmental Science, University of Arizona, 3Department of Earth Ocean and Atmospheric Sciences, Florida State University, 4Bruker Daltonics Inc., 5Biological Sciences Division, Pacific Northwest National Laboratory

JoVE 59035

 Environment

Determining the Solubility Rules of Ionic Compounds

JoVE 10197

Source: Laboratory of Dr. Neal Abrams — SUNY College of Environmental Science and Forestry


An ionic compound's solubility can be determined via qualitative analysis. Qualitative analysis is a branch of analytical chemistry that uses chemical properties and reactions to identify the cation or anion present in a chemical compound.…

 General Chemistry

Single Crystal and Powder X-ray Diffraction

JoVE 10462

Source: Tamara M. Powers, Department of Chemistry, Texas A&M University 


X-ray crystallography is a technique that uses X-rays to study the structure of molecules. X-ray diffraction (XRD) experiments are routinely carried out with either single-crystal or powdered samples.


Single-crystal…

 Inorganic Chemistry

Common Lab Glassware and Uses

JoVE 10161

Source: Laboratory of Dr. Neal Abrams — SUNY College of Environmental Science and Forestry


Glassware is a regular appearance in the professional chemistry laboratory, because it has a relatively low cost, extreme durability, and specific levels of precision. While some labware is being supplemented with plastic or even everyday…

 General Chemistry

Introduction to Mass Spectrometry

JoVE 5634

Source: Laboratory of Dr. Khuloud Al-Jamal - King's College London



Mass spectrometry is an analytical chemistry technique that enables the identification of unknown compounds within a sample, the quantification of known materials, the determination of the structure, and chemical properties of different molecules.

 Analytical Chemistry

Metabolic Labeling

JoVE 5687

Metabolic labeling is used to probe the biochemical transformations and modifications that occur in a cell. This is accomplished by using chemical analogs that mimic the structure of natural biomolecules. Cells utilize analogs in their endogenous biochemical processes, producing compounds that are labeled. The label allows for the incorporation of detection and affinity tags, which can then be …

 Biochemistry

Solutions and Concentrations

JoVE 10078

Source: Laboratory of Dr. Michael Evans — Georgia Institute of Technology


A solution is a homogeneous mixture containing some components in small amounts, called solutes, and one component in a large amount, called the solvent. Solid-liquid solutions contain one or more solid solutes dissolved in a liquid solvent. Solutions are…

 General Chemistry

Determining the Mass Percent Composition in an Aqueous Solution

JoVE 10172

Source: Laboratory of Dr. Neal Abrams — SUNY College of Environmental Science and Forestry


Determining the composition of a solution is an important analytical and forensic technique. When solutions are made with water, they are referred to as being aqueous, or containing water. The primary component of a solution is referred to as…

 General Chemistry
12345678955
More Results...