ДСТУ EN ISO 5667-16:2022 Якість води. Відбирання проб. Частина 16. Настанови щодо біотестування зразків (EN ISO 5667-16:2017, IDT; ISO 5667-16:2017, IDT)



ДСТУ EN ISO 5667-16:2022
(EN ISO 5667-16:2017, IDT; ISO 5667-16:2017, IDT)

Якість води. Відбирання проб. Частина 16.
Настанови щодо біотестування 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 General guidance regarding test design

4.1 General

4.2 Replicates

5 Evaluation

5.1 General

5.2 Statistical analysis

6 Sampling and transportation

6.1 General

6.2 Sampling equipment

6.3 Filling status of sample containers

6.4 Sample identification and records

6.5 Sub-sampling

6.6 Transportation

6.7 Contamination during sampling

6.8 Sampling quality control techniques

7 Pre-treatment

7.1 General

7.2 Preservation and storage

7.3 Thawing

7.4 Homogenization

7.5 Separation of soluble and particulate matter

7.6 Preconcentration

7.7 pH adjustment

8 Apparatus and equipment

8.1 Selection of apparatus

8.2 Cleaning of apparatus and equipment

9 Impairment of test performance

9.1 Problems and preventive measures for samples containing removable ingredients

9.2 Problems and preventive measures concerning coloured and/or turbid samples

10 Preparation of stock solutions and test batches

10.1 Water-soluble substances

10.2 Poorly soluble substances

11 Quality assurance for biotesting

11.1 General

11.2 Quality assurance in the context of the investigation of environmental samples

12 Reporting

Bibliography