Brinkmann/Eppendorf SOP,,, Standard Operating Procedure for Pipettes
n two nominal volumes given in Table 1 the relative error limit for the lower volume is applicable. The error limits in accordance with the latest version of the DIN 12 650 standard and based on volume are contained in the following tables: The error limit in accordance with the DIN s
n two nominal volumes
given in Table 1, the relative error limit for the lower volume is applicable.
The error limits in accordance with the latest version of the DIN 12 650
standard and based on volume are contained in the following tables:
The error limit in accordance with the DIN standard is defined by F =
IAI + 2 s, whereby:
Systematic measurement deviation
(Deviation of the mean value of 10 measurements of the nominal volume
Random measurement deviation
(Repeated standard deviation of the 10 measurements = Imprecision)
Reference sources for pipetting standards
Information concerning proper pipetting technique and gravimetric testing
procedure can be obtained by requesting copies of ISO (International Standard
Organization) or DIN (Deutsche Industrial Norm) Standards from the American
National Standard Institute (ANSI).
Request designation number ISO 8655 or DIN 12 650
11 West 42nd Street
New York, NY 10036
Telephone: (212) 642-4900; Fax: (212) 398-0023
Also, the ASTM Standard can be requested by contacting:
ASTM (American Society for Testing and Materials)
100 Barr Harbor Drive
West Conshohocken, PA 19428-2959
Telephone: (610) 832-9585; Fax: (610) 832-9555
Request designation number E 1154-89 Standard '"/>
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