GB/T 6919-1986
Abolished
T/ACEF 226-2025
Active
Group standards
T/ACEF 226-2025 Assessment requirements for quality grading — Honeycomb precious metal catalyst for catalytic combustion equipment
T/ACEF 226-2025 Assessment requirements for quality grading — Honeycomb precious metal catalyst for catalytic combustion equipment
Price:
$ 20.00
Basic Information
Standard Code:
T/ACEF 226-2025
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Ultrasonic and acoustic radiation flaw detection instruments
ICS Name:
Environmental air
Publish Date:
2025-10-27
Implement Date:
2025-11-01
Scope
This document specifies the basic requirements, evaluation indicators, and requirements for the quality of dedicated honeycomb precious metal catalysts for catalytic combustion devices, as well as the enterprise standard level. This document is applicable to the evaluation of the quality of dedicated honeycomb precious metal catalysts for catalytic combustion devices and their enterprise standard levels. Relevant institutions can refer to it when conducting quality grading evaluations, "AAAAA (Leading)" product evaluations, and related certifications or evaluations. Relevant enterprises can also refer to this document when formulating their own enterprise standards. 1. Evaluation Indicators and Requirements 2. Evaluation Methods and Grade Classification
Development Information
Related Standards
GB/T 6921-1986
Abolished
GB/T 6921-1986 Determination of the concentration of airborne particulate matters
GB 7355-1987
Abolished
GB 7355-1987 Sanitary standard for lead and it's inorganic compounds in the atmosphere
GB/T 8911-1988
Abolished
GB/T 8911-1988 Hygienic determination method of carbon monoxide in air of residential areas—Method of replacing mercury
GB/T 8912-1988
Abolished
GB/T 8912-1988 Hygienic determination method of arsenide in air of residential areas—Silver diethyldithiocarbamate spectrophotometric method
GB/T 8913-1988
Active