Scopri di più su Vials SPME con collo crimp ND20. Favoriamo la scienza offrendo un'ampia scelta di prodotti e servizi, l'eccellenza dei processi e le persone per realizzare tutto questo.
GC Vials ND20 headspace 20ml (Crimp Vials) 20mm Aluminum Crimp Cap Seals and Vials ensure that a proper seal is made for this demanding application Vials are manufactured of Clear, Type 1 Class A or Amber, Type 1 Class B borosilicate glass and include a write-in patch for sample identification.
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Headspace crimp vials, ND20 Supplier: VWR Collection Description: Clear and amber glass vials with a rounded or flat bottom, and volumes from 5 to 20 ml and closures.
Beskrivelse: Each vial/closure combination lot has been tested by LC-MS and GC-MS on traces of blank values and contaminations. ,548-1990EA,548-1991EA Microlitre vials
As one of the most professional 6-20ml GC headspace vials manufacturers and suppliers in China, our company is featured by quality products and good service. Please rest assured to wholesale bulk cheap 6-20ml GC headspace vials from our factory.
2.6 Headspace ND20 (ND18) P12 2.6.1 Crimp Neck Vials ND20 + Screw Neck Vials ND18 P12 2.6.2 Aluminium Crimp Seals ND20 & Bi Metal Screw Caps P13 2.6.3 Natural Rubber/TEF, Red Rubber/PTFE ,Silicone/PTFE and Butyl/PTFE Septa P13 2.6.4 Assembly Caps With Septa P13
Magnetic crimp caps, ND20 with central hole and septa (CTC Combi PAL) Supplier: VWR Collection Description: VWR®, N/A, Chromatography vial closure, Ø: 20 mm, Type: Bimetal red/silver, central hole 8 mm, Hardness: 50° shore A, Septum: Butyl/PTFE grey, Thickness: 3,0 mm
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Optical Purity of ( ) Usnic acid product: (O.P.= actual nD20/theoretical nD20) x 100%) Discussion: Comments on and reasons for yield (high or low), specific rotations, optical purity, and sources of error:
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Clear and amber glass vials with a rounded or flat bottom, and volumes from 5 to 20 ml and closures. A rounded bottom vial is more sturdy and resistant to high pressure during the heating process. Flat bottom vials are more appropriate for certain instruments.Vials are available in all capacities, materials like plastic vials or glass vials, and in a variety of colors to meet any collection
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Headspace ND20 (ND18) Headspace Vials might differ in: Volume (5ml, 10ml, 20ml) Rounded or flat bottom A rounded bottom is more sturdy and thus more resistant to the high pressure within the vial during the heating process. Furthermore the vial slides more easily into the heating block when being transported by a magnet.
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