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"Testing for hexavalent Chromium in coatings"



 

Q. In my company we need to evaluate a chromium hexavalent content in iron can surface. Could anyone suggest me a method (with details, if possible)used to evaluate this.

My company is planning to evaluate a chromium hexavalent for food application iron can.

Thank you,

Marcos Augusto Sylvestre
CCDM - UFSCar/UNESP - Brazil
^


 

A. If you need this information for Ford IMDS reporting, Ford has a sheet of commonly used finishes and acceptable approximations for concentration. Otherwise, try asking your supplier to do this for you. Methods to measure hexavalent chrome are expensive and have high degrees of error. If you really have to do it yourself, try ISO 3613 [affil. link to spec at Techstreet].

This is one of the reasons the ELV Directive is being changed right now, since the EU can not accurately enforce the 2 gram per vehicle limit without an acceptable test method.

tim neveau
Tim Neveau
Rochester Hills, Michigan
^

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