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ASTM E542 PDF

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This standard is issued under the fixed designation E ; the number 1 This practice is under the jurisdiction of ASTM Committee E41 on Laboratory. ASTM E Standard Practice for calibration of laboratory volumetric apparatus. pdf – Download as PDF File .pdf), Text File .txt) or read online. Standard Method of Test for Volume of Processed Peat Materials, ASTM Standard Practice for Calibration of Laboratory Volumetric Apparatus, ASTM E

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Maximum Inner Diameter, mm. ASTM does atsm give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. It is based on the gravimetric determination of the quantity of water either contained or delivered, and the conversion of this value to true volume at the standard temperature of 20 o C by means of suitable equations and standard tables.

This abstract is a brief summary of the referenced standard. Referenced Documents purchase separately The aztm listed below are referenced within the subject standard but are not provided as part of the standard. However, volumetric tolerances for Class B cylinders shall be within twice the specified range allowed for Class A cylinders. Accordingly, the practice should provide a means for checking the original asm of glassware and similar apparatus and for periodic rechecks as the need should arise.

The products should conform to the required cylinder and base shapes, dimensions, quality of gradation and identification markings, and length of gradation lines. B Applies to Style II only. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of satm limitations prior to use.

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If main graduations are each 5 mL, intermediate graduations d542 not apply. Historical Version s – view previous versions of standard. The graduated cylinders may be in one of three styles; beaded lip with spout, grounded standard taper neck, or beaded lip with pour spout and reinforcing band near the top. Calibration may be performed using alternative gravimetric methodology, provided that it is demonstrated and documented that the results obtained are equivalent to those astk using the methodology described herein.

Link to Active This link will always route to the current Active version of the standard. Historical Version s – view previous versions of standard. Cylinders may be marked with an identification number serial number at the option of the manufacturer. Calibration using mercury is excluded. D Main graduations may be each 5 or 10 mL. Active view current version e452 standard.

Standard Taper Stopper Number B.

ASTM E542 – 01(2012)

Calibration may be performed using alternative gravimetric methodology, provided that it is demonstrated and documented that the results obtained are equivalent to those obtained using the methodology described herein. These cylinders need not be marked with their class designation. As a precaution, however, it is recommended that the glassware be recalibrated e5542 ten years of service regardless of its appearance.

The techniques are simple in concept and can provide reliable results, provided the procedures are followed faithfully.

This specification covers the requirements for laboratory glass graduated cylinders for precision asrm general purpose grades.

A Lines below the first numbered line may be omitted.

ASTM E – 01() Standard Practice for Calibration of Laboratory Volumetric Apparatus

Calibration using mercury is excluded. Link to Active This link will always route to the current Active version of the standard. Link to Active This link will always route to the current Active version of the standard. Distance From Scale xstm Top, mm.

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It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but adtm not provided as part of the standard. It is recommended, therefore, that it be recalibrated after five years of service unless frosting viewed when dry is observed sooner.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. It is the responsibility of the user of this aztm to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

ASTM E – 01 Standard Practice for Calibration of Laboratory Volumetric Apparatus

C For Style II, measurement is to bottom of stopper. Typical products falling within atsm purview of this practice are burets graduated” to deliver”, graduated cylinders, volumetric flasks, specific gravity flasks, measuring and dilution pipets, and transfer and capacity pipets.

A frosting of the glass surface viewed when dry indicates that chemical attack has occured, and recalibration may be in order. Minimum Wall Thick- ness, mm.