yay [Music] let's learn about what a nitrogen generator is and how it works nitrogen generator requires a compressed air supply to produce nitrogen gas the compressed air is passed through the nitrogen generator to separate nitrogen out from the other elements like oxygen and carbon dioxide in the air there are two types of nitrogen generator based on how to generate nitrogen pressure swing absorption type and membrane type let's look over psa type first it utilizes one pair of columns packed with carbon molecule sieve which is known as cms the cms column is packed with 3.0 angstrom pore sized carbon molecule sieve to trap lower sized compounds such as oxygen while separating nitrogen which is larger than 3.0 angstrom when compressed air gets into one of the cms columns to be separated it absorbs oxygen at the pore of cms while the other one desorbs them to be regenerated for the next round the generator switches these two columns between absorption and desorption for the semi-permanent use [Music] psa type nitrogen generator ensures the reliability of analysis results by high purity of nitrogen also the regeneration system enables the semi-permanent use of nitrogen generator the other type of nitrogen generation is using a membrane membrane type uses a membrane filled with a bundle of hollow fibers to separate nitrogen from air the wall of fibers selectively separates gas molecules in compressed air based on their diffusion rates oxygen or carbon dioxide are fast enough to permeate through the membrane wall while relatively slow nitrogen is retained and passes along through the fiber membrane type nitrogen generator is relatively compact and makes a low noise while operating this requires little maintenance while giving us higher productivity young in chromas provides various nitrogen generators depending on generation type to be applied to proper use there's two models of psa type generators tower plus and mistral evo you can choose nitrogen generators based on its productivity or purity for your application tower plus nitrogen purity is up to 99.999 percent it is used for the use of applications such as carrier gas for gc or elsd for hplc mistral evo's nitrogen purity is up to 99.5 and it comes with a built-in air compressor it is used for nebulizing gas electro spray gas jet stream gas for lc ms elsd for hplc or nmr there's two models of membrane type nitrogen generator whisper series nitrogen purity is up to 99 and it has various product options by its flow rate depending on your application or how purity you need you can choose the products these whisper series are used for nebulizing gas electrospray gas jet stream gas for lcms elsd for hplc or nmr etc there are four benefits you get with the use of nitrogen generator one safety you don't need to worry about the risk of high pressure or gas cylinder in your laboratory two cost saving you don't need much work for maintenance of nitrogen generator and no more changing gas cylinders three great reliability nitrogen generator enables to increase the reliability four better performance it helps to get better performance due to high throughput and no downtime efficient and reliable nitrogen generator you need it right now you