practical advice, tutorials, and peer-reviewed research on liquid chromatography (hplc), gas chromatography (gc), mass spectrometry (ms) and related techniques.

our molecular spectroscopy range gives you the flexibility to build a system to suit your current and future needs with utmost precision.

waters is the leading provider of lab equipment, supplies and software for scientists across the world. easily research and order everything your lab needs!

access to millions of nmr, ir, raman, uv-vis, and mass spectra*

赛默飞世尔科技公司致力于帮助客户使世界变得更健康、更清洁、更安全。

bruker's differentiated high-value life science research and diagnostics solutions enable scientists to make breakthrough discoveries and develop new applications that improve the quality of human life. bruker’s high-performance scientific instruments and high-value analytical and diagnostic solutions enable scientists to explore life and materials at molecular, cellular and microscopic levels.

enseñanza universitaria de química orgánica. nomenclatura, síntesis y reactividad de los compuestos orgánicos.

perkinelmer enables scientists, researchers and clinicians to address their most critical challenges across science and healthcare. we provide solutions for the diagnostics, life sciences, food and applied markets.

since 1875, shimadzu is pursuing leading-edge science and technologies in analytical and measuring instruments including chromatographs and mass spectrometers, medical devices, aeronautics, and industrial equipment.