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PYREX™ Reusable Class A Volumetric Pipets

Borosilicate-glass with fire-polished top and tip manufactured and calibrated “To Contain”(TC) and “To Deliver”(TD)

Manufacturer:  PYREX™ 71034

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Catalog No. 13-646-39

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Do not pipet by mouth. Use mechanical pipetting device.



Calibrated to Class A tolerances in accordance with ASTM E-542 and ASTM E-969. Each pipet is individually serialized and supplied with a Certificate of Identification and Capacity, traceable to NIST standards. These precision pipets are manufactured and calibrated “To Contain” (bottom line) and “To Deliver” (top line) to specifications for Class A volumetric ware. Sizes 1 mL through 25 mL are color-coded with colored graduations enameled onto the glass.

Do not pipet by mouth. We suggest using a mechanical pipetting device.

Tested and calibrated in an ISO/IEC 17025 certified laboratory.

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NIST traceable


Calibrated “To Contain” (TC - bottom line) and “To Deliver” (TD - top line)



To Contain, To Deliver
0.14 oz.
4 mL
Standard Volumetric Pipet
Mechanical pipetting device
ASTM E542, ASTM E969
14.56 in.
±0.01 mL
37 cm
Product Certifications


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