YB/T 4997-2022
Active
Industry standards-Black metallurgy
YB/T 4997-2022 Spectral chemical analysis: Rules for verifying and quality control chart usage
YB/T 4997-2022 Spectral chemical analysis: Rules for verifying and quality control chart usage
Basic Information
Standard Code:
YB/T 4997-2022
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Analysis methods for steel and iron alloys
ICS Name:
Black metal comprehensive
Publish Date:
2022-09-30
Implement Date:
2023-04-01
Scope
This document specifies the procedure for preparing quality control charts for confirming the quality of spectrochemical analysis. It proposes guidelines for taking corrective measures; control can be achieved by verifying the response values of test samples with instruments, which can be done simultaneously with the drawing of control charts. This document is specifically for atomic emission spectrometry and can be conditionally applied to other analytical methods. It is not suitable for verifying the accuracy of calibration, and the procedures described in this document are not applicable to analyses that require calibration every time a set of data is measured.
Development Information
Related Standards
GB/T 17616-1998
Replaced
GB/T 5686.4-1998
Replaced
GB/T 5686.4-1998 Methods for chemical analysis of silicomanganese—The phosphomolybdenum blue phtometric method for the determination of phosphorus content
GB/T 18255-2000
Replaced
GB/T 18255-2000 Coking viscous oil products—Determination of distillation range
GB/T 4223-2004
Replaced
GB/T 4223-2004 Iron and steel scraps
GB/T 20066-2006
Active
GB/T 20066-2006 Steel and iron—Sampling and preparation of samples for the determination of chemical composition
GB/T 11261-2006
Active