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BS ISO 22608:2021

BS ISO 22608:2021

$102.76

Protective clothing. Protection against liquid chemicals. Measurement of repellency, retention, and penetration of liquid pesticide formulations through protective clothing materials

Published By Publication Date Number of Pages
BSI 2021 22
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This document specifies a test method to measure the repellency, retention and penetration of a known volume of liquid pesticide when applied to a protective clothing material. No external hydrostatic or mechanical pressure is applied to the test specimen during or after the application of the liquid pesticide.

The degree of contamination depends on numerous factors such as the type of exposure, application technique, and pesticide formulation. As the level of exposure can vary considerably, this method is designed to rate the relative performance of personal protective equipment (PPE) materials at two levels of contamination. Low level of contamination is achieved by applying 0,1 ml of liquid formulation and high level by applying 0,2 ml.

This test method does not measure the resistance to permeation or degradation.

This test method is suitable for field strength and concentrated pesticide formulations. This method may not be suitable for testing protective clothing materials against volatile pesticide formulations.

This document is applicable to the evaluation of materials that are new or those that have undergone treatment such as laundering or simulated abrasion. Details of the treatment shall be reported. This test method can also be used to determine the resistance provided by protective clothing materials against penetration of new pesticide formulations.

PDF Catalog

PDF Pages PDF Title
2 undefined
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
11 4 Principle
5 Apparatus
5.1 Apparatus and materials for contamination of test specimen
12 5.2 Apparatus for analysis using Method A
5.3 Apparatus and materials for analysis using Method B
15 6 Test specimens
16 7 Selection of analytical technique
8 Preparation of test apparatus and materials
8.1 Calibration of the pipettor
8.1.1 Calibration with distilled water
8.1.2 Calibration with test liquid
17 8.2 Preparation of test assembly
8.3 Conditioning of test specimen
8.4 Testing temperature
9 Method A
9.1 Contamination of test specimen
18 9.2 Calculation
9.2.1 Determination of masses of test liquid in each layer
9.2.2 Mass balance
9.2.3 Calculation of repellency, retention, and penetration
10 Method B
10.1 Verification of the amount of active ingredient in the test liquid applied
19 10.2 Determination of extraction efficiency
10.3 Testing of blanks
10.4 Contamination of test specimen
10.5 Extraction of test liquids
20 10.6 Calculation
10.6.1 Determination of the masses of active ingredient in each layer
10.6.2 Calculation of extraction efficiency
10.6.3 Calculation of repellency, retention, and penetration
11 Repeatability and reliability
12 Test report

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BS ISO 22608:2021
$102.76