BS 4172-2:1993
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Hand-held pressurized aerosol dispensers against houseflies Method for determination of insecticidal efficiency
Hardcopy , PDF
15-02-1999
English
15-02-1993
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Committees responsible
Foreword
Method
Introduction
1 Scope
2 References
3 Definitions
4 Principle
5 Materials and apparatus
6 Sampling and treatment of the candidate
7 Procedure
8 Calculation and expression of results
9 Test report
Annexes
A (informative) Recommended method for breeding
houseflies
B (normative) Method for preparation of the reference
dispensers
C (normative) Method for determination of the
S-bioallethrin and bioresmethrin content of the
reference dispensers
D (normative) Method for determination of droplet
size distribution of the aerosol from the
reference dispenser
E (informative) Example of a statistical treatment of
results
F (normative) Method for determination of the spray
pattern of the reference dispenser
Tables
1 Critical values for the 95 % two-tailed
F-distribution
2 Values for the 95 % two-tailed t-distribution
A.1 Fresh larval medium
B.1 Composition of filling solution
B.2 Composition of aerosol formulation
E.1 Example of KT50 results
E.2 Mean log10 values and standard errors
E.3 Results on natural scale
E.4 Example of 24 h knockdown results
E.5 Mean arcsin results and standard errors
E.6 Results on natural scale
E.7 Examples of KT50 results just sufficient to achieve
conformity
E.8 Examples of 24 h knockdown just sufficient to
achieve conformity
Figures
E.1 Candidate passes the assessment
E.2 Candidate fails the assessment
E.3 Indeterminate outcome demonstrating need for an
extended study
List of references
Describes a biological test under controlled conditions. Performance is compared statistically against that of fully prescribed reference dispensers.
| Committee |
W/-
|
| DevelopmentNote |
Together with BS 4172: Part 1: 1993 supersedes BS 4172: 1967. DRAFT FOR COMMENT 89/55808 DC
|
| DocumentType |
Standard
|
| Pages |
20
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| BS 4172-1:1993 | Hand-held pressurized aerosol dispensers against houseflies Specification for insecticidal efficiency |
| BS 4172-1:1993 | Hand-held pressurized aerosol dispensers against houseflies Specification for insecticidal efficiency |
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