Used for more than six decades as an additive in tires, 6PPD (chemical name: N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine) is also found in other rubber products such as footwear, synthetic turf ...

Summarizes holding times and preservation for halogenated and aromatic volatile organic compounds by gas chromatography. Also provides a target compound list, and calibration procedures. Halogenated ...

A GCSE Chemistry worksheet on Paper Chromatography. The worksheet is differentiated with exam questions targeting grades 1-3, 4-6 and 7-9. There’s questions on mobile and stationary phases, food ...

Perfect lesson resource for KS3 Chemistry! A fully differentiated and resourced lesson that assists students in learning about and investigating how chromatography separates dyes. Students will state ...

The concept of theoretical plates is one of the most important ways to measure column efficiency in chromatography, and both practitioners and theorists return to it as the foundation for ...

Green analytical chemistry is no longer a niche concept but a necessity in today’s environmentally conscious world. As the world becomes ever more conscious of environmental sustainability, science ...

网络 《It's AumSum Time 发现生活中的小奥秘》的视频形式丰富多样，既有动画解说，又有实验演示和科学幽默短片，每一期都充满了趣味性和知识性。通过这些视频，不仅能够了解到科学知识，还 ...

There is a growing demand for high purity chemicals within the technical, life science and fine chemical industries. As new synthetic routes are discovered and purity requirements increase, the demand ...

High-performance liquid chromatography or high-pressure liquid chromatography (HPLC) is a chromatographic method that is used to separate a mixture of compounds in analytical chemistry and ...

As vaccine technologies evolve, sophisticated analytical tools are needed to support vaccine discovery, development and manufacturing. Consequently, a variety of techniques ranging from cell-based to ...

Forensic techniques are used to investigate and help solve many different crimes, including theft, drug trafficking and use, murder, and terrorism. Forensic scientists, therefore, need to use the most ...