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Inductively coupled plasma (ICP) spectroscopy is an analytical technique designed to detect and measure elements from chemical samples. As such, it has a range of applications and is especially important in the biomedical and pharmaceutical industry.
ICP spectroscopy is based on the ionization of a sample by plasma, typically generated through the ionization of argon gas by radio frequency energy. Commonly employed in inductively coupled plasma mass spectrometry (ICP-MS) and inductively coupled plasma optical emission spectrometry (ICP-OES), these two instruments have a number of advantages over comparable technology used for trace element detection. Notably, they allow multiple elements to be measured simultaneously and possess a large analytical range, which outstrips the single element capabilities and limited analytic range of flame atomic absorption and flame atomic emission.
The vital role played by ICP spectroscopy in many industries
Posted: November 09, 2020
If you are interested in carrying out reliable pH measurements, then you are probably well-versed in the differences between acids and bases. However, the fundamentals are important to emergent areas of pH metrology and the importance of pH buffer solutions so we will recap the basics briefly.
Accurate pH Measurements with Buffer Solutions
Formally, the pH value of a substance denotes the negative logarithm of hydrogen ion activity. This is sometimes referred to as the potential, or power, of hydrogen in an aqueous solution. The pH of a solution is expressed on a scale of 0–14 and it is a temperature-dependent property. Pure water, for instance, is largely neutral with a pH of 7.47 at 0°C and 6.14 at 100°C.
Measuring the pH value of a solution is typically done using a potentiometer which – theoretically – produces a 0 millivolt (mV) differential between a sensing and reference electrode at pH 7. Any change in acidity or alkalinity changes the ele
Inorganic Ventures announced today the launch of its new brand tagline, “Refine Your Results. Redefine Your Industry.” The new tagline articulates Inorganic Ventures’ position in the high-quality analytical inorganic standards industry and reinforces the company's position as a global leader in manufacturing specialized Certified Reference Materials.
At Inorganic Ventures, we stand by our high purity standards. Registered as an ISO 9001 company and recognized as holders of ISO 17025 and ISO 17034 accreditations, our customers can trust the high purity standards of our products and the services that we proudly promote.
Possessing the necessary knowledge and resources to manufacture almost any inorganic certified reference material (CRM), we have built a reputation for highly purified solutions. Catering for applications in ICP, ICP-MS, IC, atomic absorption, wet chemistry, and QC, custom standards and our team’s reliability in replicating them has become our specialty.
An Overall Achievement of High Purity
Through a combination of lab-based developments and continued consultation with a new type of ambitious and creative customer w
Coal- and oil-fired power plants are responsible for an inordinate amount of the toxic pollutants present in our atmosphere. According to the US Environmental Protection Agency (EPA), they can generate mercury emissions exceeding 53 tonnes per year, representing 50% of all mercury air pollution in the country. Mercury and air toxins are extremely damaging to human health and to our environment, hence the importance of the Mercury and Air Toxic Standards (MATS) rule implemented by the EPA. But stricter regulations on pollution control must be accompanied by improvements to standardised environmental screening and analysis.
NIST-traceable mercury standards fit the bill when it comes to inorganic trace analysis of pollutants via inductively coupled plasma atomic emission spectroscopy (ICP-AES).
Using Mercury Standards in Trace Elemental Analysis
ICP-AES is a powerful tool for trace-level elemental analysis that has only been implemented
Posted: September 09, 2020
The science of measurement is principally the realm of physicists concerned with measuring physical quantities: length, mass, time, and so on. Metrology was applied to the field of chemistry relatively recently, and as such, has not been adopted so easily. Many analytical chemists are yet to be convinced of the value of standardized chemical measurements, with poor cross-fertilization failing to put an end to the debate. Standards solutions aim to bridge this cultural gap by laying out a clear framework for traceability and quality assurance in wet chemistry and analysis.
Certified reference materials (CRMs) for elemental analysis and wet chemistry applications are formulated to strict regulatory standards for a range of downstream applications. Conductivity standards, for instance, can be used to calibrate electrochemical sensors or to assist with conductivity detection in ion-exchange chromatography (IEC).
Understanding Conductivity Standard Solutions
NIST-traceable standards are reference materials certified to specific values laid out by the National Institute of Standards and Technology (NIST). They are designed specifically for standardized instrument calibration and quality assurance protocols aimed at eliminating measurement uncertainties. The implication with NIST-traceable standards is that all calibrations are part of an unbroken chain of comparisons from the manufacturer through to the end-user, which is where the term traceability comes from.
Traceability is a crucial parameter in elemental analysis and wet chemistry applications. When we talk about the traceability of measurements, we are referring to systemic reliability – and subsequently the reliability of your results – relative to an accepted set of standards. This is the basic premise of standardized metrology and the international system of units (SI). Yet the traceability of chemical measurements is
Posted: June 04, 2020
Cyanide is a complex chemical that exists in various states throughout nature, encompassing a wide range of substances containing carbon-nitrogen bonds. It has been made famous by endless spy novels and war movies as an eponymous poisoning agent, which reacts rapidly in the body with fatal results. Reality, of course, is more complicated than fiction.
In this article, Inorganic Ventures explores the hazards of cyanide with a focus on the use of cyanide standards for controlling the quality of potable water and in environmental studies.
Cyanide Standards: Where Do Cyanides Enter the Environment?
Some cyanides are present in the food we eat, although strict cyanide standards are imposed by international and regional regulators to ensure that concentrations never exceed safe levels of consumption. Almonds, for instance, contain a naturally-occurring cyanogenic glycoside known as amygdalin which breaks down into cyanide when consumed. Centuries of
Posted: May 19, 2020
Inorganic Ventures specializes in the development and supply of high-purity single element standards for precision analytical chemistry. With unrivaled expertise in the synthesis of custom certified reference materials (CRMs) based on a choice of underlying elements and matrices, we are one of the go-to providers of key single element calibration standards for a wide range of sample preparation objectives.
While we stock an extensive range of ready-made multi and single element standards, our core strength lies in adapting our solutions to your specifications. This commitment to providing elemental standards that match key customer objectives is fundamental to how we help our customers elevate their sample preparation protocols to greater levels of quality.
Applications of Single Element Standards
As we offer an extremely broad range of single-element standards based primarily on metallic and rare-earth minerals, one of our core markets is analytical inductively-coupled
Inorganic Ventures is one of the world’s foremost manufacturers of high-class certified reference materials (CRMs) for analytical and preparative chemistry. Though off-the-shelf standards are often suitable for system calibration in certain applications, we specialize in the development of custom standards designed to meet specific end-user objectives. Whether you need single-element reference materials for inductively-coupled plasma (ICP) spectroscopy or multi-anion standards for ion chromatography, we can supply fully-traceable solutions that meet your exact specifications.
Anion standards are finely-tuned control materials used for quality assurance and control (QA/QC) purposes in ion chromatography. At Inorganic Ventures, we offer a suite of made-to-order anion standard solutions in single- and multi-anion formats at specific, user-defined concentrations.
Using Anion Standards for IC
Ion chromatography, or ion-exchange chromatography, is an industry-trusted a