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  1. HOME
  2. Standards for soil pores

soil pores

soil pores, Total:11 items.

The international standard classification for "soil pores" includes: .

The Chinese standard classification for "soil pores" includes: .

German Institute for Standardization

  • DIN ISO/TS 22939 DIN SPEC 91203:2011-06 Enzyme activity pattern measurement of soil samples on fluorescent substrates in soil quality microplates
  • DIN ISO/TS 22939:2022-05 Soil quality - Measurement of enzyme activity patterns in soil samples using fluorogenic substrates in micro-well plates
  • DIN EN ISO 20130 E:2019-12 Soil Quality Determination of Enzyme Activity Patterns in Soil Samples Using Colorimetric Substrates in Microplates (Draft)
  • DIN ISO/TS 22939:2011 Soil quality - Measurement of enzyme activity patterns in soil samples using fluorogenic substrates in micro-well plates (ISO/TS 22939:2010)
  • DIN EN ISO 20130:2021 Soil quality - Measurement of enzyme activity patterns in soil samples using colorimetric substrates in micro-well plates (ISO 20130:2018); German version EN ISO 20130:2020

British Standards Institution (BSI)

  • BS ISO 20130:2018 Soil quality. Measurement of enzyme activity patterns in soil samples using colorimetric substrates in micro-well plates
  • BS DD ISO/TS 22939:2010 Soil quality. Measurement of enzyme activity patterns in soil samples using fluorogenic substrates in micro-well plates

European Committee for Standardization (CEN)

  • EN ISO 20130:2020 Soil quality - Measurement of enzyme activity patterns in soil samples using colorimetric substrates in micro-well plates (ISO 20130:2018)

International Organization for Standardization (ISO)

  • ISO 20130:2018 Soil quality - Measurement of enzyme activity patterns in soil samples using colorimetric substrates in micro-well plates
  • ISO/TS 22939:2019 Soil quality — Measurement of enzyme activity patterns in soil samples using fluorogenic substrates in micro-well plates
  • ISO/TS 22939:2010 Soil quality - Measurement of enzyme activity patterns in soil samples using fluorogenic substrates in micro-well plates

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