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ASTM International (ASTM)
Title

"Standard Test Method for Analysis of Aqueous Extractable Protein in Natural Rubber and Its Products Using the Modified Lowry Method "

Description

This test method covers an analytical test for determining the amount of total aqueous extractable protein associated with NR, latex, and elastomeric products. Water soluble proteins are extracted in a buffer solution and then precipitated to concentrate them and also to separate them from water soluble substances that may interfere with the determination. The extracted protein is redissolved and quantified colorimetrically by the modified Lowry method using a protein standard.

Standard Type(s)
Test Method

A definitive procedure that produces a test result: Examples of test methods include, but are not limited to: identification, measurement, and evaluation of one or more qualities, characteristics, or properties. A precision and bias statement shall be reported at the end of a test method.

Personal Protective Equipment
Hand and Arm Protection

All equipment and/or accessories (whether or not detachable) designed and manufactured specifically to protect the arm and/or the hand this includes all garments protecting the hand or part of the hand, including gloves, fingerless gloves, mittens, garments protecting the fingers only or the palm only, etc. Potential hazards include skin absorption of harmful substances, chemical or thermal burns, electrical dangers, bruises, abrasions, cuts, punctures, fractures and amputations.

  • Medical gloves
Hazards
Biological
  • Biological
Standard References
Referenced Standard

ASTM D3577 - 19 - Standard Specification for Rubber Surgical Gloves

ASTM D3578 - 19 - Standard Specification for Rubber Examination Gloves

Conformity Assessment Notes

Testing procedures required, please see the full standard for complete details.

Comments

Additional References:

ASTM Standards

  • D3577 Specification for Rubber Surgical Gloves
  • D3578 Specification for Rubber Examination Gloves
  • D4483 Practice for Evaluating Precision for Test Method Standards in the Rubber and Carbon Black Manufacturing Industries
Testing Laboratories
Bureau Veritas Consumer Products Services Inc. - Buffalo, NY, 14228-1884
Contact

Phone Number: (716) 505-3300
Email: joe.margarucci@us.bureauveritas.com

Accreditations

ISO 17025

Scope of Accreditation

ASTM D5151 - 19 , ASTM D5712 - 15(2020) , ASTM D6124 - 06(2017) , ASTM F1446 - 15b

Akron Rubber Development Laboratory, Inc. - Akron, OH, 44322-1016
Contact

Phone Number: (330) 794-6600
Email: answers@ardl.com

Accreditations

ISO 17025

Scope of Accreditation

ASTM D5151 - 19 , ASTM D5712 - 15(2020) , ASTM D6124 - 06(2017) , ASTM F1342 / F1342M - 05(2013)e1 , ASTM F1383 - 12e1 , ASTM F1670 / F1670M - 17a , ASTM F739 - 12e1 , ASTM F903 - 18

Lowenkamp R&D Labs. Ltd. - Hazlehurst, MS, 39083
Contact

Phone Number: (601)-894-2802
Email: lrdltd@aol.com

Scope of Accreditation

ASTM D5151 - 19 , ASTM D5712 - 15(2020) , ASTM D6124 - 06(2017)

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