PREN 4195 : 200P1
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
AEROSPACE SERIES - PAINTS AND VARNISHES - TEST METHOD FOR DETERMINATION OF CHROMATE LEACHING
Hardcopy , PDF
19-12-2023
English
Foreword
1 Scope
2 Normative references
3 Principle
4 Specimens and test apparatus
5 Test procedure
6 Analysis of hexavalent chromium
7 Test report
8 Designation
Annex A (informative)
A.1 Diphenylcarbazide solution
A.2 Phosphoric-sulphuric acid
A.3 Preparation of standard chromium solutions
A.4 Calibration for diphenylcarbazide method
Annex B (informative) Calculation of factor
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