ДСТУ EN ISO 21645:2022 Паливо тверде відновлювальне із відходів. Методи відбирання зразків (EN ISO 21645:2021, IDT; ISO 21645:2021, IDT)



ДСТУ EN ISO 21645:2022
(EN ISO 21645:2021, IDT; ISO 21645:2021, IDT)

Паливо тверде відновлювальне із відходів.
Методи відбирання зразків

 

 
   
 
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

Foreword

Introduction

1 Scope

2 Normative references

3 Terms and definitions

4 Symbols

5 Principle

6 Development of a sampling plan

6.1 Principle

6.2 Definition of overall objectives

6.3 Definition of a lot and determining lot size

6.4 Determination of the sampling procedure

6.5 Determination of the number of increments

6.6 Determination of minimum sample mass

6.7 Determination of the minimum increment mass

6.8 Determination of the planned increment and planned sample amounts

6.9 Selection of distribution of increments over a lot

6.10 Sampling equipment and implements

7 Implementation of the sampling plan

7.1 Steps before actual sampling

7.2 Steps during sampling

7.3 Steps after sampling

8 Handling and storage of samples

9 Precision

Annex A (normative) Procedure for the development of a sampling plan

Annex В (normative) Sampling plan

Annex C (informative) Example of a sampling plan

Annex D (normative) Sampling equipment and implements

Annex E (normative) Determination of minimum sample mass

Annex F (normative) Determination of increment mass for sampling from material flows

Annex G (normative) Determination of increment mass for sampling from static lots, vehicles or ships

Annex H (normative) Implementation of sampling plan from a material flow

Annex I (normative) Implementation of the sampling plan from a static lot or vehicle

Annex J (normative) Minimum sample mass required for analysis

Annex К (informative) Additional information about precision

Annex L (informative) Examples for stratified and stratified random sampling

Bibliography