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Agilent is bigger.
Shimadzu. **Lowest, most common; Agilent medium and waters slightly higher.
I personally recommend Agilent, ** on the one hand, the instrument is also decently done. In particular, the 1200 series instruments are easy to operate, easy to use, and durable.
The Waters instrument was difficult to get started with, and probably because I was a bit stupid, I couldn't get used to its interface all the time. However, its function is still quite powerful, that is, **high.
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First of all, it depends on whether it is produced domestically or imported. Imported brands are relatively used by more people, because the technology and after-sales are perfect, such as: SSI, DION, Hitachi, Platinum Elmer (PE), Waters, Agilent, Shimadzu, etc., Zui is better than Waters, but it is definitely more expensive than the domestic one, and it is the liquid phase of Agilent, which is a little cheaper than Waters, but it is not very cheap, and the quality and after-sales are good.
The Shimadzu brand market is also used a lot, and they are going to the mid-range market, **better than Agilent**, and the quality is better than that of domestic brands. Diane's liquid phase is actually very good, ** quite good, but the brand influence is not as good as the first three.
In recent years, domestic liquid chromatography has also done well, and some manufacturers have launched high-end versions comparable to imported liquid chromatography. Therefore, considering that domestic liquid chromatography is also a good choice, especially if you have a limited budget. Domestically produced liquid chromatograph manufacturers or brands have done quite well in recent years:
Hunan Chuangte, Renfeng, Wufeng, Dalian Elite, Beijing Chuangxin Tongheng, Zhejiang Fuli, Nanjing Kejie and so on. Most of them are large manufacturers of liquid chromatographs in China. The manufacturer's brand is famous, the service can keep up, and it is relatively reasonable.
According to the instrument manufacturer, model, and instrument configuration, the specific liquid chromatograph is different, and it is also very different. If you're buying a liquid chromatograph, start by deciding on your budget: understand the considerations in terms of instrument usage (resolution, sensitivity, precision), etc.
Start by looking at single or double pumps, a cheaper single pump is around 80,000, while a slightly cheaper twin pump is around 100,000. In the choice, it is also necessary to choose whether the company's own funds are sufficient, Ransheng.com - a large-scale instrument sharing platform, for small and medium-sized enterprises to open and share technology and instrument resources, reduce the trouble and time in procurement, and improve the efficiency of the transformation of scientific and technological achievements, a good choice!
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