ISO 23977-2 标准查询与下载

DIN EN ISO 23977-2:2022 塑料 暴露于海水的塑料材料需氧生物降解的测定 第2部分：在封闭式呼吸计中测量需氧量的方法（ISO 23977-2:2020）；德文版 EN ISO 23977-2:2021

This document specifies a laboratory test method for determining the degree and rate of the aerobic biodegradation level of plastic materials

Plastics - Determination of the aerobic biodegradation of plastic materials exposed to seawater - Part 2: Method by measuring the oxygen demand in closed respirometer (ISO 23977-2:2020); German version EN ISO 23977-2:2021

prEN ISO 23977-2:2021 塑料 暴露于海水的塑料材料需氧生物降解的测定 第2部分：在封闭式呼吸计中测量需氧量的方法（ISO 23977-2:2020）

Plastics - Determination of the aerobic biodegradation of plastic materials exposed to seawater - Part 2: Method by measuring the oxygen demand in closed respirometer (ISO 23977-2:2020)

DIN EN ISO 23977-2 E:2021 文件草案 塑料 暴露于海水中的塑料材料的需氧生物降解的测定 第2部分：通过测量封闭式呼吸计中需氧量的方法 (ISO 23977-2:2020) 德文版和英文版 prEN ISO 23977-2:2021

Draft Document - Plastics - Determination of the aerobic biodegradation of plastic materials exposed to seawater - Part 2: Method by measuring the oxygen demand in closed respirometer (ISO 23977-2:2020); German and English version prEN ISO 23977-2:2021

OENORM EN ISO 23977-2:2021 塑料 暴露于海水的塑料材料需氧生物降解的测定 第2部分：在封闭式呼吸计中测量需氧量的方法（ISO 23977-2:2020）

Plastics - Determination of the aerobic biodegradation of plastic materials exposed to seawater - Part 2: Method by measuring the oxygen demand in closed respirometer (ISO 23977-2:2020)

NS-EN ISO 23977-2:2021 塑料 海水中塑料材料需氧生物降解的测定 第2部分：密闭呼吸计需氧量测量法（ISO 23977-2:2020）

  Full Description ADOPTED_FROM:EN ISO 23977-2:2021 This document specifies a laboratory test method for determining the degree

Plastics – Determination of the aerobic biodegradation of plastic materials exposed to seawater – Part 2: Method by measuring the oxygen demand in closed respirometer (ISO 23977-2:2020)

DANSK DS/EN ISO 23977-2:2021 塑料 海水中塑料材料需氧生物降解的测定 第2部分：密闭呼吸计需氧量测量法（ISO 23977-2:2020）

  Full Description SAME AS ISO 23977-2 This document specifies a laboratory test method for determining

Plastics – Determination of the aerobic biodegradation of plastic materials exposed to seawater – Part 2: Method by measuring the oxygen demand in closed respirometer (ISO 23977-2:2020)

ISO 23977-2:2020 塑料.暴露于海水中的塑料材料需氧生物降解的测定.第2部分:用密闭呼吸计测量需氧量的方法

This document specifies a laboratory test method for determining the degree and rate of the aerobic biodegradation level of plastic materials

Plastics — Determination of the aerobic biodegradation of plastic materials exposed to seawater — Part 2: Method by measuring the oxygen demand in closed respirometer

DS/ISO 23977-2:2020 塑料《塑料材料暴露于海水需氧生物降解的测定》第2部分：密闭式呼吸计需氧量测定法

Plastics – Determination of the aerobic biodegradation of plastic materials exposed to seawater – Part 2: Method by measuring the oxygen demand in closed respirometer

EN ISO 23977-2:2021 塑料.暴露于海水中的塑料材料需氧生物降解的测定.第2部分:用密闭呼吸计测量需氧量的方法

This document specifies a laboratory test method for determining the degree and rate of the aerobic biodegradation level of plastic materials

Plastics - Determination of the aerobic biodegradation of plastic materials exposed to seawater - Part 2: Method by measuring the oxygen demand in closed respirometer (ISO 23977-2:2020)

BS ISO 23977-2:2020 塑料 暴露于海水中的塑料材料的需氧生物降解的测定 密闭式呼吸计测氧量的方法

Plastics. Determination of the aerobic biodegradation of plastic materials exposed to seawater. Method by measuring the oxygen demand in closed respirometer

NF EN ISO 23977-2:2021 塑料 暴露于海水中的塑料材料需氧生物降解的测定 第2部分：在封闭呼吸计中测量需氧量的方法

Plastics - Determination of aerobic biodegradation of plastics exposed to seawater - Part 2: method by measuring oxygen demand in a closed respirometer

DANSK DS/ISO 23977-2:2020 塑料 暴露于海水中的塑料材料有氧生物降解的测定 第2部分：通过测量密闭呼吸计需氧量的方法

Plastics – Determination of the aerobic biodegradation of plastic materials exposed to seawater – Part 2: Method by measuring the oxygen demand in closed respirometer

BS EN ISO 23977-2:2021(2022) 塑料 暴露于海水中的塑料材料需氧生物降解的测定 第2部分：通过测量密闭呼吸计需氧量的方法

Plastics — Determination of the aerobic biodegradation of plastic materials exposed to seawater Part 2 : Method by measuring the oxygen demand in closed respirometer

BS EN ISO 23977-2:2021 塑料 暴露于海水中的塑料材料需氧生物降解性的测定 通过测量封闭式呼吸计需氧量的方法

1   Scope This document specifies a laboratory test method for determining the degree and rate of the aerobic biodegradation level

Plastics. Determination of the aerobic biodegradation of plastic materials exposed to seawater - Method by measuring the oxygen demand in closed respirometer

UNE-EN ISO 23977-2:2022 塑料 暴露于海水中的塑料材料有氧生物降解的测定 第2部分：通过测量封闭式呼吸计需氧量的方法

Plastics - Determination of the aerobic biodegradation of plastic materials exposed to seawater - Part 2: Method by measuring the oxygen demand in closed respirometer (ISO 23977-2:2020)