Application

How to use flame atomic absorption spectrophotometry to determinate Antimony? A typical toxic and harmful heavy metal element, the concentration of antimony in natural water is extremely low, with an average of about 0.2μg/L.Sb is not an essential element of plants, but can be absorbed by plants and crops. Due to the influence of natural […]

Aluminum triethylphosphonate is an organophosphorus high-efficiency, broad-spectrum, systemic low-toxicity fungicide. Vegetables, fruit tree downy mildew, blight, pineapple heart rot, citrus root rot, stem rot, grass mold stem rot, red pulp is effective. It is suitable for a wide range of crops, and can be widely used in various fruits, vegetables and flower plants. The active […]

The principle of hplc chromatography in stationary pollution source waste gas – Determination of aldehydes and ketones The aldehydes and ketones in the waste gas from the fixed pollution sources react with the 2,4-dinitrophenylhydrazine (DNPH) in the absorption liquid in an acidic medium to generate stable 2,4-dinitrophenylhydrazone derivatives thing. After extracting and concentrating with dichloromethane, […]

What is vaporative light scattering detector(ELSD)? It has been in development and production for decades, but for many chromatographers it is still a new product. The first ELSD was developed by scientists at the Union Carbide Research Laboratory in Australia, and was converted into commercial products in the early 1980s. The second generation of ELSDs […]