GB/T 14551-1993
Replaced
T/GDNB 278-2025
Active
Group standards
T/GDNB 278-2025 Soil organic matter determination: Rapid graphite digestion method using micro-open system
T/GDNB 278-2025 Soil organic matter determination: Rapid graphite digestion method using micro-open system
Price:
$ 20.00
Basic Information
Standard Code:
T/GDNB 278-2025
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
Integrated agriculture and forestry
Publish Date:
2025-06-19
Implement Date:
2025-06-23
Scope
Main technical content: This document describes the method principle, main instruments and equipment, reagents, analysis steps, result calculation, quality assurance and quality control, and precautions for determining organic matter in soil using the graphite digestion method in a micro-open system. This document is suitable for soils with an organic matter content of less than 15%
Development Information
Related Standards
GB/T 15549-1995
Replaced
GB/T 15549-1995 Sensory analysis—Methodology—Initiation and training of assessors in the detection and recognition of odours
GB/T 15790-1995
Replaced
GB/T 15790-1995 Rules for investigation and forecast of the rice blast [Pyricularia oryzae (Cavara)]
GB/T 15792-1995
Replaced
GB/T 15792-1995 Rules for investigation and forecast of the rice stem borer [Chilo suppressalis (Walker)]
GB/T 15794-1995
Replaced
GB/T 15794-1995 Rules for investigation and forecast of the brown planthopper(Nilaparvata lugens Stal) and the white-backed planthopper(Sogatalla furcifera Horvath)
GB/T 16453.1-1996
Replaced