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VWR® Burettes, with PTFE Key Stopcock

Dodavatel: VWR
VWR®
612-6693EA 2140 CZK
612-6693 612-6691 612-6692
VWR® Burettes, with PTFE Key Stopcock
Byrety
Borosilicate 3.3 glass, class AS.

  • High chemical and thermal resistance
  • Schellbach stripe for accurate meniscus reading
  • Stopcock with PTFE key
  • High contrast blue enamel graduations
  • Batch certificate included

To avoid material damaging friction between the burette and the stopcock and to ensure tightness, joint grease is necessary when working with burettes that have a glass stopcock. After use the joint grease must be removed as the burette tip could become contaminated. This step is not necessary when working with burettes with a PTFE key stopcock.

Certifikace: DIN EN ISO 385
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