GB/Z 170-2026 Active National standards

GB/Z 170-2026 Soil quality—Measurement of enzyme activity patterns in soil samples—Using fluorogenic substrates in micro-well plates

Publish Date: 2026-03-31 Implement Date: 1970-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/Z 170-2026

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: \nSoil and fertilizer

ICS Name: \nSoil quality, soil science

Publish Date: 2026-03-31

Implement Date: 1970-01-01

Pages: 24 pages

Scope

This document describes a method for determining the activity of 10 soil enzymes in soil samples using fluorescent substrates, either individually or simultaneously, including arylsulfatase, α-glucosidase, β-glucosidase, cellulase, β-xylosidase, phosphodiesterase (PDE), chitinase, phosphomonoesterase (PME), leucine-aminopeptidase, and alanine-aminopeptidase.
This document is suitable for the individual or simultaneous determination of the activity of the above 10 enzymes in soil.
The enzyme activity in soil varies with seasonal changes and is influenced by soil chemistry, physical structure, and biological characteristics. When using this method to detect the harmful effects of toxic chemicals or the impact of other human activities, it is necessary to rely on the enzyme activity in control soils with similar properties to the test soils for comparative analysis, or to evaluate it through chemical exposure experiments or specific experimental treatments.