ДСТУ EN ISO 1833-2:2022 Текстиль. Кількісний хімічний аналіз. Частина 2. Потрійні суміші волокон (EN ISO 1833-2:2020, IDT; ISO 1833-2:2020, IDT)

ДСТУ EN ISO 1833-2:2022
(EN ISO 1833-2:2020, IDT; ISO 1833-2:2020, IDT)

Текстиль. Кількісний хімічний аналіз.
Частина 2. Потрійні суміші волокон

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

Contents

Foreword

1 Scope

2 Normative references

3 Terms and definitions

4 Principle

5 Reagents and apparatus

6 Conditioning and testing atmosphere

7 Sampling and pre-treatment of laboratory test sample

8 Procedure

9 Calculation and expression of results

9.1 General

9.2 Calculation of percentages of mass of clean dry fibres, disregarding loss of fibre mass during pre-treatment

9.2.1 Variant 1

9.2.2 Variant 2

9.2.3 Variant 3

9.2.4 Variant 4

9.3 Calculation of the percentage of each component with adjustment by agreed moisture regains and, where appropriate, by correction factors for losses in mass during pre-treatment operations

9.4 Calculation of the quantitative analysis by manual separation

9.4.1 General

9.4.2 Calculation of the percentage mass of clean dry fibre disregarding loss in fibre mass during pre-treatment

9.4.3 Calculation of the percentage of each component with adjustment by agreed moisture regain and, where appropriate, by correction factors for losses in mass during pre-treatment

10 Method of quantitative analysis by a combination of manual separation and chemical means

11 Precision of methods

12 Test report

Annex A (informative) Examples of the calculation of percentages of the components of certain ternary mixtures using some of the variants described in 9.2

Annex B (informative) Typical ternary mixtures which can be analysed using methods of analysis of binary mixtures specified in the parts of ISO 1833

Bibliography