| The residual gases inside the packages can not be | | | | accomplishment of the packaging process. Product |
| neglected after the accomplishment of the | | | | absorbed gas testing should be done after a |
| packaging process. The gas contents inside | | | | certain period of time when the packaging |
| packages after filling and before opening are | | | | process has finished. Furthermore, as time goes |
| difficult to master with techniques. Packaging | | | | by, more tests should and comprehensive analysis |
| materials with barrier functions can only impede | | | | with gas concentration curves should be done. |
| the migration of the gas, and cannot eliminate | | | | The reason is that desorption is a slow process. |
| oxygen (except the packages with deoxygenating | | | | Those tests can be accomplished with Labthink |
| techniques) and other gases that have already | | | | PARAM HGA-01 Headspace Gas Analyzer. We can |
| existed in the packages. If the residual gas | | | | also accelerate the gas desorption on the product |
| exceeds the maximum concentration for product | | | | surface by reducing concentration of certain |
| storage, no matter how excellent the high barrier | | | | gases in ambient environment. |
| materials are, and how perfect the sealing | | | | Further information please feel free to contact |
| performances are, the quality guarantee period or | | | | Shirley Wu via trade2@labthink.cn, |
| the shelf life of the products can not be satisfied. | | | | skype:shirley-labthink, or (tel)0086-531-85068709. |
| Therefore, we need to test the gas contents left | | | | About Labthink: |
| in the packages, and adjust the packaging | | | | Labthink, the excellent provider of testing |
| process. | | | | instruments and testing services, is devoted to |
| The residual gas as well as the product absorbed | | | | provide most excellent and complete quality |
| gases can be determined by headspace analysis | | | | control solutions for pharmaceutical, foodstuff, |
| of the packages, that is, by measuring the gas | | | | cosmetics, packaging, printing, adhesive, |
| contents at the top of the packages. Those two | | | | automotive, petrochemistry, environment, biology, |
| kinds of testing only differ in testing time. Gas | | | | new energy, construction, aviation and electronic |
| residue testing should be done soon after the | | | | industries worldwide. |