GOST 2604.6-77
GOST 2604.6−77 alloy Cast iron. Methods of determination of chromium (with Change No. 1)
GOST 2604.6−77
Group B09
INTERSTATE STANDARD
ALLOY CAST IRON
Methods for determination of chromium
Alloy cast iron. Methods for determination of chromium content
ISS 77.080.10
Date of introduction 1978−01−01
The decision of the State standards Committee of the USSR Council of Ministers dated 22 March 1977, N 680 date of introduction is established 01.01.78
Limitation of actions taken by Protocol No. 2−92 of the Interstate Council for standardization, Metrology and certification (ICS 2−93)
REPLACE GOST 2604−44 in part of sec. V
EDITION with Change No. 1, approved in December 1982 (ICS 3−83).
This standard applies to alloy cast iron and sets the photometric method for the determination of chromium (0.01 to 0.5%) and titrimetric method for the determination of chromium (0.5 to 35.0 percent).
1. GENERAL REQUIREMENTS
1.1. General requirements for methods of analysis GOST 28473−90.
2. THE PHOTOMETRIC METHOD FOR THE DETERMINATION OF CHROMIUM
2.1. Photometric method for determination of chromium GOST 12350−78.
(Changed edition, Rev. N 1).
3. TITRIMETRIC METHOD FOR THE DETERMINATION OF CHROMIUM
3.1. Titrimetric method for determination of chromium GOST 12350−78.
(Changed edition, Rev. N 1).