1901-1925 of 2047 Resource Library
1901-1925 of 2047 Resource Library
APPLICATION NOTE
Introduction Understanding the health of the soil in which crops grow is fundamental in ensuring healthy yields. Two elements that are essential to this are Carbon and Nitrogen, especially in their proportion to each other. This relationship is called …
APPLICATION NOTE
Introduction EPA 8015C is a gas chromatographic method used to establish concentrations of a variety of non-halogenated volatile organic compounds, semivolatile organic compounds, and petroleum hydrocarbons. For the purpose of this application, a …
APPLICATION NOTE
Introduction This analysis focuses on the detection of trace level semi-volatile organic compounds in extracts from solid waste matrices, soils, air sampling media and water samples. The method lists over 200 compounds however a majority of laboratories …
APPLICATION NOTE
Introduction There is a growing demand for the analysis of trace levels of volatile and semi-volatile organic compounds in air, water and solid matrix samples under harsh conditions in remote, field-based locations. This study has demonstrated that it …
APPLICATION NOTE
Introduction This method uses the RVA 4800 to rapidly determine rice quality and compare different rice varieties. … Rice Method 10.05 using …
APPLICATION NOTE
Introduction In this application brief, a thirteen-minute pasting profile utilizing grated cheese is presented utilizing a Rapid Visco Analyser (RVA) to assess melt characteristics in processed food. Combining speed, precision, flexibility and …
APPLICATION NOTE
Introduction For most extruded products, starch and its transformation during cooking exerts the dominant effect on product quality. The Rapid Visco Analyser (RVA) is a cooking stirring viscometer with ramped temperature and variable shear profiles …
APPLICATION NOTE
Introduction This method description estimates fermentable starch in fuel ethanol production using the RVA Method 36.01. … Estimating Frementable Starch in Fuel Ethanol Production RVA Method …
APPLICATION NOTE
Rapid UHPLC Determination of Nine Common Herbicides in Drinking Water with the PerkinElmer Flexar FX
Introduction Water polluted by herbicides leach and runoff can cause human health problems including cancer tumors, reproduction deformity, disruption of the endocrine system and DNA damage. This application presents a sensitive and robust liquid …
APPLICATION NOTE
Introduction The sampling and analysis of soil gas poses several unique challenges when compared to indoor or ambient air monitoring. For instance, soil gas often has higher moisture content and possibly a broader range of compounds. Because of the …
APPLICATION NOTE
Introduction A gas chromatographic analysis of the extract can provide even greater sensitivity and more detailed compositional information, but further increases the time required for the analysis. Thermogravimetric analysis coupled to infrared …
APPLICATION NOTE
Introduction In recent years there has been an increase in fatalities related to the use and consumption of opioids, a class of synthetically manufactured pain-relieving drugs similar to naturally derived opiates like morphine, opium, codeine, and …
APPLICATION NOTE
Introduction Today’s plastics are some of the most used materials on a global volume basis. Broadly integrated into today’s industrial and commercial lifestyles, they make a major, irreplaceable contribution to virtually every product category. In this …
APPLICATION NOTE
Introduction Synthetic polymers are widely used today, with diverse applications in various industries such as food, automotive, and packaging. The quality of plastic products depends on the quality of the polymers or polymer blends used during …
APPLICATION NOTE
Introduction Sodium hypochlorite is one of the most common disinfectants used in both domestic and commercial settings and has been included on the environmental protection agency (EPA) list of disinfectants recommended for use against COVID-19. This …
APPLICATION NOTE
Introduction Infrared microscopy is a well-established analytical technique for the measurement and identification of small samples down to a few micrometers in size. It is used extensively in the polymer, pharmaceutical, chemical, food, and electronics …
APPLICATION NOTE
Introduction The primary goal of this technical note is to guide the user through the accessory selection process for different specular/ diffuse samples. This will be achieved by measuring identical samples with varying contributions of diffuse and …
APPLICATION NOTE
Dynamic Mechanical Analysis (DMA) is a technique used to investigate the stiffness of materials as a function of temperature, humidity, dissolution media or frequency. A mechanical stress is applied to the sample and the resultant strain is measured by …
APPLICATION NOTE
Introduction Thermogravimetry has been used for years to quantify the components of automotive rubber products, namely oil, polymer, carbon, and inorganic filler. While this separation is straightforward conceptually, it challenges the performance of …
APPLICATION NOTE
Introduction Paint manufacturers are interested in the reflectivity of their products. This characteristic involves properties in both the visible region where color is important as well as extending into the Near Infrared (NIR) region where the …
APPLICATION NOTE
Introduction Internal combustion in an engine produces soot as a result of incomplete fuel combustion. The soot deposits deplete the quantity of dispersant additives which may cause an increase in viscosity which in turn increases engine wear. These …
APPLICATION NOTE
Introduction Residual solvents are used in the manufacture of active pharmaceutical ingredients (APIs), excipients, or in preparation of drug products, and are not removed during the purification processes. Residual solvents are one of the three main …
APPLICATION NOTE
Introduction Acetaminophen and aspirin are the drugs of choice used to relieve the symptoms of common headache. Acetaminophen, which is also called paracetamol, is widely used as a pain reliever (analgesic) and fever reducer (antipyretic). Because of …
APPLICATION NOTE
Introduction The synthesis of active pharmaceutical ingredients(API) may require multiple reaction steps that produce undesirable reaction byproducts or utilize various solvents that have to be removed from the finished product. These solvents and …
APPLICATION NOTE
Introduction Thermogravimetric analysis (TGA) of materials is commonly used to measure weight loss from a sample as it is heated or held isothermally. In the pharmaceutical industry, many materials show weight losses associated with the loss of solvent/ …