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Burette class AS lateral stopcock blue graduated amber glass
Burette class AS lateral stopcock blue graduated amber glass
  • main point ring graduation
  • DIN EN ISO 385
  • DE-M marked according to the German calibration law
  • made of borosilicate glass 3.3
  • inclusive batch certificate

Artikelliste

Order number Model Color Material Numeric division Capacity Graduation Stopcock Stopcock shape Class Tolerance DIN
3 014 054 Burettes amber glass Borosilicate glass 3.3 Hauptpunkt-Ringteilung 0,02 ml 5 ml blue graduated solid ST-glass plugs lateral stopcock AS ±0.01 ml DIN EN ISO 385
3 014 104 Burettes amber glass Borosilicate glass 3.3 Hauptpunkt-Ringteilung 0,02 ml 10 ml blue graduated solid ST-glass plugs lateral stopcock AS ±0.02 ml DIN EN ISO 385
3 014 254 Burettes amber glass Borosilicate glass 3.3 Hauptpunkt-Ringteilung 0,05 ml 25 ml blue graduated solid ST-glass plugs lateral stopcock AS ±0.03 ml DIN EN ISO 385
3 014 504 Burettes amber glass Borosilicate glass 3.3 Hauptpunkt-Ringteilung 0,1 ml 50 ml blue graduated solid ST-glass plugs lateral stopcock AS ±0.05 ml DIN EN ISO 385
3 014 904 Burettes amber glass Borosilicate glass 3.3 Hauptpunkt-Ringteilung 0,2 ml 100 ml blue graduated solid ST-glass plugs lateral stopcock AS ±0.1 ml DIN EN ISO 385
3 014 055 Burettes amber glass Borosilicate glass 3.3 Hauptpunkt-Ringteilung 0,02 ml 5 ml blue graduated PTFE needle valve lateral stopcock AS ±0.01 ml DIN EN ISO 385
3 014 105 Burettes amber glass Borosilicate glass 3.3 Hauptpunkt-Ringteilung 0,02 ml 10 ml blue graduated PTFE needle valve lateral stopcock AS ±0.02 ml DIN EN ISO 385
3 014 255 Burettes amber glass Borosilicate glass 3.3 Hauptpunkt-Ringteilung 0,05 ml 25 ml blue graduated PTFE needle valve lateral stopcock AS ±0.03 ml DIN EN ISO 385
3 014 505 Burettes amber glass Borosilicate glass 3.3 Hauptpunkt-Ringteilung 0,1 ml 50 ml blue graduated PTFE needle valve lateral stopcock AS ±0.05 ml DIN EN ISO 385
3 014 905 Burettes amber glass Borosilicate glass 3.3 Hauptpunkt-Ringteilung 0,2 ml 100 ml blue graduated PTFE needle valve lateral stopcock AS ±0.1 ml DIN EN ISO 385
Burette class B straight stopcock blue graduated
Burette class B straight stopcock blue graduated
  • short line graduation
  • DIN EN ISO 385
  • error ranges are better than the DIN EN ISO 385 requirements
  • made of borosilicate glass 3.3

Artikelliste

Order number Model Material Numeric division Capacity Graduation Stopcock Stopcock shape Class Tolerance ISO Tolerance witeg DIN
3 000 052 Burettes Borosilicate glass 3.3 Strichteilung 0,02 ml 5 ml blue graduated solid ST-glass plugs straight stopcocks B ±0.02 ml ±0.02 ml DIN EN ISO 385
3 000 102 Burettes Borosilicate glass 3.3 Strichteilung 0,02 ml 10 ml blue graduated solid ST-glass plugs straight stopcocks B ±0.05 ml ±0.03 ml DIN EN ISO 385
3 000 252 Burettes Borosilicate glass 3.3 Strichteilung 0,05 ml 25 ml blue graduated solid ST-glass plugs straight stopcocks B ±0.05 ml ±0.04 ml DIN EN ISO 385
3 000 502 Burettes Borosilicate glass 3.3 Strichteilung 0,1 ml 50 ml blue graduated solid ST-glass plugs straight stopcocks B ±0.1 ml ±0.08 ml DIN EN ISO 385
3 000 902 Burettes Borosilicate glass 3.3 Strichteilung 0,2 ml 100 ml blue graduated solid ST-glass plugs straight stopcocks B ±0.2 ml ±0.2 ml DIN EN ISO 385
3 000 053 Burettes Borosilicate glass 3.3 Strichteilung 0,02 ml 5 ml blue graduated ST-PTFE plugs straight stopcocks B ±0.02 ml ±0.02 ml DIN EN ISO 385
3 000 103 Burettes Borosilicate glass 3.3 Strichteilung 0,02 ml 10 ml blue graduated ST-PTFE plugs straight stopcocks B ±0.05 ml ±0.03 ml DIN EN ISO 385
3 000 253 Burettes Borosilicate glass 3.3 Strichteilung 0,05 ml 25 ml blue graduated ST-PTFE plugs straight stopcocks B ±0.05 ml ±0.04 ml DIN EN ISO 385
3 000 503 Burettes Borosilicate glass 3.3 Strichteilung 0,1 ml 50 ml blue graduated ST-PTFE plugs straight stopcocks B ±0.1 ml ±0.08 ml DIN EN ISO 385
3 000 903 Burettes Borosilicate glass 3.3 Strichteilung 0,2 ml 100 ml blue graduated ST-PTFE plugs straight stopcocks B ±0.2 ml ±0.2 ml DIN EN ISO 385
3 000 057 Burettes Borosilicate glass 3.3 Strichteilung 0,02 ml 5 ml blue graduated PTFE needle valve straight stopcocks B ±0.02 ml ±0.02 ml DIN EN ISO 385
3 000 107 Burettes Borosilicate glass 3.3 Strichteilung 0,02 ml 10 ml blue graduated PTFE needle valve straight stopcocks B ±0.05 ml ±0.03 ml DIN EN ISO 385
3 000 257 Burettes Borosilicate glass 3.3 Strichteilung 0,05 ml 25 ml blue graduated PTFE needle valve straight stopcocks B ±0.05 ml ±0.04 ml DIN EN ISO 385
3 000 507 Burettes Borosilicate glass 3.3 Strichteilung 0,1 ml 50 ml blue graduated PTFE needle valve straight stopcocks B ±0.1 ml ±0.08 ml DIN EN ISO 385
3 000 907 Burettes Borosilicate glass 3.3 Strichteilung 0,2 ml 100 ml blue graduated PTFE needle valve straight stopcocks B ±0.2 ml ±0.2 ml DIN EN ISO 385
Burette class B straight stopcock blue graduated Schellbach blue line
Burette class B straight stopcock blue graduated Schellbach blue line
  • short line graduation
  • DIN EN ISO 385
  • error ranges are better than the DIN EN ISO 385 requirements
  • made of borosilicate glass 3.3

Artikelliste

Order number Model Material Numeric division Capacity Graduation Stopcock Stopcock shape Class Schellbach Tolerance ISO Tolerance witeg DIN
3 002 052 Burettes Borosilicate glass 3.3 Strichteilung 0,02 ml 5 ml blue graduated solid ST-glass plugs straight stopcocks B yes ±0.02 ml ±0.02 ml DIN EN ISO 385
3 002 102 Burettes Borosilicate glass 3.3 Strichteilung 0,02 ml 10 ml blue graduated solid ST-glass plugs straight stopcocks B yes ±0.05 ml ±0.03 ml DIN EN ISO 385
3 002 252 Burettes Borosilicate glass 3.3 Strichteilung 0,05 ml 25 ml blue graduated solid ST-glass plugs straight stopcocks B yes ±0.05 ml ±0.04 ml DIN EN ISO 385
3 002 502 Burettes Borosilicate glass 3.3 Strichteilung 0,1 ml 50 ml blue graduated solid ST-glass plugs straight stopcocks B yes ±0.1 ml ±0.08 ml DIN EN ISO 385
3 002 902 Burettes Borosilicate glass 3.3 Strichteilung 0,2 ml 100 ml blue graduated solid ST-glass plugs straight stopcocks B yes ±0.2 ml ±0.2 ml DIN EN ISO 385
3 002 053 Burettes Borosilicate glass 3.3 Strichteilung 0,02 ml 5 ml blue graduated ST-PTFE plugs straight stopcocks B yes ±0.02 ml ±0.02 ml DIN EN ISO 385
3 002 103 Burettes Borosilicate glass 3.3 Strichteilung 0,02 ml 10 ml blue graduated ST-PTFE plugs straight stopcocks B yes ±0.05 ml ±0.03 ml DIN EN ISO 385
3 002 253 Burettes Borosilicate glass 3.3 Strichteilung 0,05 ml 25 ml blue graduated ST-PTFE plugs straight stopcocks B yes ±0.05 ml ±0.04 ml DIN EN ISO 385
3 002 503 Burettes Borosilicate glass 3.3 Strichteilung 0,1 ml 50 ml blue graduated ST-PTFE plugs straight stopcocks B yes ±0.1 ml ±0.08 ml DIN EN ISO 385
3 002 903 Burettes Borosilicate glass 3.3 Strichteilung 0,2 ml 100 ml blue graduated ST-PTFE plugs straight stopcocks B yes ±0.2 ml ±0.2 ml DIN EN ISO 385
3 002 057 Burettes Borosilicate glass 3.3 Strichteilung 0,02 ml 5 ml blue graduated PTFE needle valve straight stopcocks B yes ±0.02 ml ±0.02 ml DIN EN ISO 385
3 002 107 Burettes Borosilicate glass 3.3 Strichteilung 0,02 ml 10 ml blue graduated PTFE needle valve straight stopcocks B yes ±0.05 ml ±0.03 ml DIN EN ISO 385
3 002 257 Burettes Borosilicate glass 3.3 Strichteilung 0,05 ml 25 ml blue graduated PTFE needle valve straight stopcocks B yes ±0.05 ml ±0.04 ml DIN EN ISO 385
3 002 507 Burettes Borosilicate glass 3.3 Strichteilung 0,1 ml 50 ml blue graduated PTFE needle valve straight stopcocks B yes ±0.1 ml ±0.08 ml DIN EN ISO 385
3 002 907 Burettes Borosilicate glass 3.3 Strichteilung 0,2 ml 100 ml blue graduated PTFE needle valve straight stopcocks B yes ±0.2 ml ±0.2 ml DIN EN ISO 385
Burette class B lateral stopcock blue graduated
Burette class B lateral stopcock blue graduated
  • short line graduation
  • DIN EN ISO 385
  • error ranges are better than the DIN EN ISO 385 requirements
  • made of borosilicate glass 3.3

Artikelliste

Order number Model Material Numeric division Capacity Graduation Stopcock Stopcock shape Class Tolerance ISO Tolerance witeg DIN
3 000 054 Burettes Borosilicate glass 3.3 Strichteilung 0,02 ml 5 ml blue graduated solid ST-glass plugs lateral stopcocks B ±0.02 ml ±0.02 ml DIN EN ISO 385
3 000 104 Burettes Borosilicate glass 3.3 Strichteilung 0,02 ml 10 ml blue graduated solid ST-glass plugs lateral stopcocks B ±0.05 ml ±0.03 ml DIN EN ISO 385
3 000 254 Burettes Borosilicate glass 3.3 Strichteilung 0,05 ml 25 ml blue graduated solid ST-glass plugs lateral stopcocks B ±0.05 ml ±0.04 ml DIN EN ISO 385
3 000 504 Burettes Borosilicate glass 3.3 Strichteilung 0,1 ml 50 ml blue graduated solid ST-glass plugs lateral stopcocks B ±0.1 ml ±0.08 ml DIN EN ISO 385
3 000 904 Burettes Borosilicate glass 3.3 Strichteilung 0,2 ml 100 ml blue graduated solid ST-glass plugs lateral stopcocks B ±0.2 ml ±0.2 ml DIN EN ISO 385
3 000 055 Burettes Borosilicate glass 3.3 Strichteilung 0,02 ml 5 ml blue graduated PTFE needle-valve lateral stopcocks B ±0.02 ml ±0.02 ml DIN EN ISO 385
3 000 105 Burettes Borosilicate glass 3.3 Strichteilung 0,02 ml 10 ml blue graduated PTFE needle-valve lateral stopcocks B ±0.05 ml ±0.03 ml DIN EN ISO 385
3 000 255 Burettes Borosilicate glass 3.3 Strichteilung 0,05 ml 25 ml blue graduated PTFE needle-valve lateral stopcocks B ±0.05 ml ±0.04 ml DIN EN ISO 385
3 000 505 Burettes Borosilicate glass 3.3 Strichteilung 0,1 ml 50 ml blue graduated PTFE needle-valve lateral stopcocks B ±0.1 ml ±0.08 ml DIN EN ISO 385
3 000 905 Burettes Borosilicate glass 3.3 Strichteilung 0,2 ml 100 ml blue graduated PTFE needle-valve lateral stopcocks B ±0.2 ml ±0.2 ml DIN EN ISO 385
3 000 056 Burettes Borosilicate glass 3.3 Strichteilung 0,02 ml 5 ml blue graduated ST-glass two-way stopcock lateral stopcocks B ±0.02 ml ±0.02 ml DIN EN ISO 385
3 000 106 Burettes Borosilicate glass 3.3 Strichteilung 0,02 ml 10 ml blue graduated ST-glass two-way stopcock lateral stopcocks B ±0.05 ml ±0.03 ml DIN EN ISO 385
3 000 256 Burettes Borosilicate glass 3.3 Strichteilung 0,05 ml 25 ml blue graduated ST-glass two-way stopcock lateral stopcocks B ±0.05 ml ±0.04 ml DIN EN ISO 385
3 000 506 Burettes Borosilicate glass 3.3 Strichteilung 0,1 ml 50 ml blue graduated ST-glass two-way stopcock lateral stopcocks B ±0.1 ml ±0.08 ml DIN EN ISO 385
3 000 906 Burettes Borosilicate glass 3.3 Strichteilung 0,2 ml 100 ml blue graduated ST-glass two-way stopcock lateral stopcocks B ±0.2 ml ±0.2 ml DIN EN ISO 385
Burette class B lateral stopcock blue graduated Schellbach blue line
Burette class B lateral stopcock blue graduated Schellbach blue line
  • short line graduation
  • DIN EN ISO 385
  • error ranges are better than the DIN EN ISO 385 requirements
  • made of borosilicate glass 3.3

Artikelliste

Order number Model Material Numeric division Capacity Graduation Stopcock Stopcock shape Class Schellbach Tolerance ISO Tolerance witeg DIN
3 002 054 Burettes Borosilicate glass 3.3 Strichteilung 0,02 ml 5 ml blue graduated solid ST-glass plugs lateral stopcocks B yes ±0.02 ml ±0.02 ml DIN EN ISO 385
3 002 104 Burettes Borosilicate glass 3.3 Strichteilung 0,02 ml 10 ml blue graduated solid ST-glass plugs lateral stopcocks B yes ±0.05 ml ±0.03 ml DIN EN ISO 385
3 002 254 Burettes Borosilicate glass 3.3 Strichteilung 0,05 ml 25 ml blue graduated solid ST-glass plugs lateral stopcocks B yes ±0.05 ml ±0.04 ml DIN EN ISO 385
3 002 504 Burettes Borosilicate glass 3.3 Strichteilung 0,1 ml 50 ml blue graduated solid ST-glass plugs lateral stopcocks B yes ±0.1 ml ±0.08 ml DIN EN ISO 385
3 002 904 Burettes Borosilicate glass 3.3 Strichteilung 0,2 ml 100 ml blue graduated solid ST-glass plugs lateral stopcocks B yes ±0.2 ml ±0.2 ml DIN EN ISO 385
3 002 055 Burettes Borosilicate glass 3.3 Strichteilung 0,02 ml 5 ml blue graduated PTFE needle-valve lateral stopcocks B yes ±0.02 ml ±0.02 ml DIN EN ISO 385
3 002 105 Burettes Borosilicate glass 3.3 Strichteilung 0,02 ml 10 ml blue graduated PTFE needle-valve lateral stopcocks B yes ±0.05 ml ±0.03 ml DIN EN ISO 385
3 002 255 Burettes Borosilicate glass 3.3 Strichteilung 0,05 ml 25 ml blue graduated PTFE needle-valve lateral stopcocks B yes ±0.05 ml ±0.04 ml DIN EN ISO 385
3 002 505 Burettes Borosilicate glass 3.3 Strichteilung 0,1 ml 50 ml blue graduated PTFE needle-valve lateral stopcocks B yes ±0.1 ml ±0.08 ml DIN EN ISO 385
3 002 905 Burettes Borosilicate glass 3.3 Strichteilung 0,2 ml 100 ml blue graduated PTFE needle-valve lateral stopcocks B yes ±0.2 ml ±0.2 ml DIN EN ISO 385
3 002 056 Burettes Borosilicate glass 3.3 Strichteilung 0,02 ml 5 ml blue graduated ST-glass two-way stopcock lateral stopcocks B yes ±0.02 ml ±0.02 ml DIN EN ISO 385
3 002 106 Burettes Borosilicate glass 3.3 Strichteilung 0,02 ml 10 ml blue graduated ST-glass two-way stopcock lateral stopcocks B yes ±0.05 ml ±0.03 ml DIN EN ISO 385
3 002 256 Burettes Borosilicate glass 3.3 Strichteilung 0,05 ml 25 ml blue graduated ST-glass two-way stopcock lateral stopcocks B yes ±0.05 ml ±0.04 ml DIN EN ISO 385
3 002 506 Burettes Borosilicate glass 3.3 Strichteilung 0,1 ml 50 ml blue graduated ST-glass two-way stopcock lateral stopcocks B yes ±0.1 ml ±0.08 ml DIN EN ISO 385
3 002 906 Burettes Borosilicate glass 3.3 Strichteilung 0,2 ml 100 ml blue graduated ST-glass two-way stopcock lateral stopcocks B yes ±0.2 ml ±0.2 ml DIN EN ISO 385
Burette Automatic burette Schilling class B white graduated amber stained
Burette Automatic burette Schilling class B white graduated amber stained
  • short line graduation
  • DIN EN ISO 385
  • error ranges are better than the DIN EN ISO 385 requirements
  • with PE reservoir and stable base
  • push button for precise titration
  • automatic zero point
  • made of borosilicate glass 3.3

Artikelliste

Order number Model Version Color Material Numeric division Capacity Accessories Graduation Class Tolerance ISO Tolerance witeg DIN
3 312 005 Automatic burette Schilling Borosilicate glass 3.3 Strichteilung 0,02 ml 5 ml with PE reservoir 500 ml and stable base blue graduated B ±0.04 ml ±0.04 ml DIN EN ISO 385
3 312 010 Automatic burette Schilling Borosilicate glass 3.3 Strichteilung 0,05 ml 10 ml with PE reservoir 500 ml and stable base blue graduated B ±0.05 ml ±0.05 ml DIN EN ISO 385
3 312 015 Automatic burette Schilling Borosilicate glass 3.3 Strichteilung 0,1 ml 15 ml with PE reservoir 1000 ml and stable base blue graduated B ±0.1 ml ±0.1 ml DIN EN ISO 385
3 312 025 Automatic burette Schilling Borosilicate glass 3.3 Strichteilung 0,1 ml 25 ml with PE reservoir 1000 ml and stable base blue graduated B ±0.1 ml ±0.1 ml DIN EN ISO 385
3 312 050 Automatic burette Schilling amber stained Borosilicate glass 3.3 Strichteilung 0,1 ml 50 ml with PE reservoir 1000 ml and stable base blue graduated B ±0.1 ml ±0.08 ml DIN EN ISO 385
witeg Safety caps GLS 80 for HPLC, blue - 8 257 280
witeg Safety caps GLS 80 for HPLC, blue

High performance liquid chromatography (HPLC) is a biochemical analysis method used to separate, identify and quantify substances in a mixture. Compared to simple column chromatography, HPLC separates the mixture of substances under pressure and possibly also under the influence of temperature with the help of two phases, a stationary and a mobile phase, faster and more precisely.

The mobile phase consists of solvents that are withdrawn from storage bottles. For reliable results without contamination from the environment on the one hand and to protect the user from solvent vapors on the other hand, it is necessary for these bottles to be equipped with special safety caps.

witeg offers a cost-effective solution for this: the complete safety system suitable for all laboratory bottles and more.

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