Flasks with NS joint neck

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 Nitrogen tubes (Schlenk-tubes), DURAN® tubing

Lenz

Made of DURAN ® tubing. With conical joint and NS glass stopcock....

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 Iodine determination flasks, with and without collar, DURAN®

Lenz

  • With iodine stopper NS29/32 or hollow hexagonal stopper NS29/32
  • With scale and inscription label
...

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 Pear shape flasks, borosilicate glass 3.3

Isolab

Conformed to DIN 12383 standards. NS neck is in compliance with DIN 12242 standards....

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 Round bottom flasks with two necks, angled arm, borosilicate glass 3.3

Isolab

Conformed to DIN 12394. The side arms are 20 degree angled with each other. NS necks are in compliance with DIN 12242 standards. Two-necked round-bottomed flask available with parallel side arm on request....

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 Nitrogen round-bottom flasks (Schlenk-flasks), DURAN®

Lenz

With an angled side arm with 2.5 mm glass stopcock....

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 Round bottom flasks with conical ground joint, amber, DURAN®

Lenz

According to DIN EN ISO 4797, with inscription label....

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 Kjeldahl flasks, DURAN®

Lenz

For the determination of nitrogen in organic compounds. With centre neck and conical joint....

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 Round bottom flasks with standard ground joint, borosilicate glass 3.3, amber

Isolab

Resistant to heat and almost all chemicals. According to DIN EN ISO 4797. Reinforced rims are used to prevent breaking during washing and transportation....

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 Round bottom flasks with three necks, NS joints, angled side arms, borosilicate glass 3.3

Isolab

Conformed to DIN 12394. The side arms are at 20 degree angles with the centre neck. The NS necks are in compliance with DIN 12242 standards....

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 Nitrogen flasks with stopcock, borosilicate glass 3.3

Isolab

NS necks are in compliance with DIN 12242 standards. With angled side neck with PTFE stopcock (2.5 mm hole)....

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