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https://translate.google.com/translate_a/single?client=gtx&hl=en&dt=t&dt=bd&dt=at&dt=ex&dt=ld&dt=md&dt=qca&dt=rw&dt=rm&dt=ss&sl=105&tl=cs&q=Aijiren%26%238217%3Bs+20ml+crimp+top+headspace+vials+have+two+types+of+round+bottom+and+flat+bottom.+Please+check+the+instrument+you+are+using+before+buying.+Is+the+round+bottom+or+flat+bottom+headspace+vial+suitable%3F+Aijiren+designed+the+20ml+crimp+top+headspace+vials+in+order+to+be+more+Accurately+use+with+your+instrument.+20ml+crimp+top+headspace+vial+has+a+very+good+seal+and+can+be+used+for+volatile+samples%2C+but+it+needs+to+be+used+with+20mm+Hand+Crimper+to+seal+the+vials%2C+and+when+opening+the+lid%2C+it+needs+to+be+sealed+with+20mm+Hand+Decrimper.+You+can+refer+to+Aijiren%26%238217%3Bs+product+page+to+purchase+the+matching+Hand+Crimper%5C%2F%2FDecrimper.The+caliber+of+the+20ml+crimp+top+headspace+is+20mm.+Before+buying%2C+you+need+to+check+the+specifications+carefully+to+prevent+it+from+being+used+after+purchase.%0AHow+to+choose+whether+to+buy+the+Headspace+Vial+with+round+bottom+or+flat+bottom%3F+The+round+bottom+is+stronger%2C+so+it+is+more+resistant+to+the+high+pressure+in+the+sample+Vial+during+heating.+In+addition%2C+the+vial+is+easier+to+slide+into+the+heating+block+when+transported+by+the+magnet.+When+the+vial+must+run+in+the+instrument+with+a+slight+downward+trend%2C+a+flat+bottom+may+be+required.Select+the+correct+Headspace+Vial+at+the+bottom+and+use+modern+instruments+to+prepare+the+entire+experiment+with+highly+repeatable+samples+for+accurate+analysis.%0AThe+manufacturer%E2%80%99s+lot+number+for+each+component+of+this+product+is+tracked+until+all+procedures+are+completed+at+which+time+a+final+lot+number+is+assigned+and+documented.+A+randomly+selected+collection+of+vials+from+each+completed+lot+are+submitted+to+an+independent+validation+laboratory+for+quality+control+purposes+to+confirm+that+the+TOC+vials+comply+with+the+quality+specification.+The+vial%2C+closure+and+dust+cover+undergo+comply+with+stringent+quality+standards+and+specifications.%0AThe+18mm+Screw+Headspace+with+caps+with+electromagnetic+screw+seals+used+for+CTC+is+novel+in+the+headspace+vial+market+dominated+by+crimping+necks.+Especially+for+magnetic+caps+that+are+difficult+to+crimp%2C+screw+caps+are+a+convenient+choice.+18mm+Screw+Headspace+with+caps+with+aluminum+skirt+and+magnetic+center+plate%2C+it+is+easy+to+crimp+and+remove+the+cap.+18mm+headspace+vial+with+cap+is+preferred+for+the+following+instruments%3A+Shimadzu.%0AThe+cap+of+the+6-20ml+screw+head+space+GC+vial+is+made+of+high+quality+aluminum+material.+Accurate+manufacturing+tolerances%2C+controlled+manufacturing+environment.+All+of+these+guarantee+the+quality+of+the+screw+headspace+GC+vials.As+a+manufacturer+of+chromatography+consumables%2C+Aijiren+is+widely+recognized+by+customers.+Select+6-20ml+screw+headspace+GC+vial.+Aijiren+must+be+the+best.+Welcome+to+contact+us.%0A20ml+Glass+TOC+Vials+with+White+Polypropylene+Hole+Cap%2C+PTFE%5C%2F%2FSilicone+Septa+and+Opaque+HDPE+Dust+Cover.%3FAijiren+offers+pre-cleaned+20+ml+glass+vials+certified+for+Total+Organic+Carbon+%28TOC+vials%29.+We+offer+TOC+vials+certified+to+contain+less+than+10+Parts+Per+Billion+%28PPB%29+and+less+than+20+Parts+Per+Billion+%28PPB%29+for+use+for+pharmaceutical+and+biotechnology+applications.%0AAijiren+provides+Screw+Thread+Headspace+Vial+always+be+applied+to+Aijiren%2C+Shimadzu%2C+Tekmar%2C+CTC+PAL%2C+Varian%2C+Gerstel%2C+Atas%2C+Thermo+Scientific+autosamplers.+Aijiren%26%238217%3Bs+Screw+Thread+Headspace+Vial+are+all+round+bottom%2C+this+is+because+A+rounded+bottom+is+more+sturdy+and+thus+more+resistant+to+the+high+pressure+within+the+vial+during+the+heating+process.%0AAijiren%E2%80%99s+30ml+Screw+Neck+FTU+Test+Vial+is+a+popular+product+of+Aijiren.+This+Vial+is+often+used+by+water+quality+testing+laboratories.+FTU+Vial+has+two+capacities+to+choose+from%2C+20ml+and+30ml.+It+can+hold+a+lot+of+samples%2C+and+the+high-temperature+resistant+material+can+ensure+that+the+bottle+will+not+cause+problems+during+sample+processing.%0AAijiren+focus+on+improving+the+safety+and+integrity+of+our+Headspace+vial.+Aijiren+provide+innovative+20mL+20mm+Crimp-Top+Headspace+Vial+to+ensure+consistent+productivity+in+all+separation+processes.+These+20mL+20mm+Crimp-Top+Headspace+Vial+are+the+best+choice+for+GC.+20mL+20mm+Crimp-Top+Headspace+Vialmade+of+borosilicate+glass.&ie=UTF-8&oe=UTF-8&multires=1&otf=0&pc=1&trs=1&ssel=0&tsel=0&kc=1&tk=429891.48189 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