romana chromatography vials 1st hydrolytic class glass 51 expansion

Technical Note: Does an Autosampler Glass Vial Influence the pH of

case 1st hydrolytic class tubes have been used with examples of 33, 51 and 70 expansion type raw glass tubes. • 1 mL 18MΩ HPLC water (Aijiren Tech™.

Vial KIT

Clear Glass of 1st hydrolytic class is differentiated by 33 expan- sion (Type 1, Class A) and 51 expansion glass (Type 1, Class B), whereas amber is generally 

Vial Materials - Worldwide Glass Resources, Inc.

Type 1 amber borosilicate glass has a linear coefficient expansion of 51. Schott. Glass Type. Principal Use. Density at 25°C g·cm-3.

What are the differences between “33 expansion” and “51

Mar 30, 2012 Our MicroSolv brand vials are made from SCHOTT® brand glass tubing, of first hydrolytic class. First hydrolytic class glass is very hard and ...

Why is high glass quality so important when you want to detect low

51 type made in Europe. E. Aijiren Tech Vials & Closures. Vial/Glass quality comparison, 1st hydrolytic class glass types, 33 vs 70. 33 expansion glass 

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When we talk about glass quality for chromatography autosampler vials, we mostly talk about first hydrolytic class borosilicate glass with different expansion.

Aijiren Techbrand 51 Expansion Short Style Glass Shell Vials without

Material, Borosilicate Glass. Color, Clear. Type, Vial. For Use With (Application), Ideal for storing dry products. Disposable, Yes 

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Figure 1. Transmission curves for Amber Glass and Clear Glass vials. Amber Vials are made from 51-expansion glass which has a different chemical composition