BS 748:1982
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Specification for haemacytometer and particle counting chambers
Hardcopy , PDF
09-27-2012
English
07-30-1982
Important note : All end users must be registered with an Account prior to user licenses being assigned.
Foreword
Cooperating organizations
Specification
1 Scope
2 Types of chamber
3 Size of slide
4 Transverse grooves
5 Longitudinal groove
6 Flatness of upper surface of slide
7 Depth of chamber
8 Rulings
9 Cover glasses
10 Inscriptions
Appendix
A Testing of BS haemacytometer and particle counting
chambers, and cover-glasses
B Test for durability of metallized markings and
coatings
Table
1 Dimensions of slides
Figures
1 Haemacytometer counting chamber (thick) with one
ruling
2 Haemacytometer counting chamber (thick) with two
rulings
3 Haemacytometer counting chamber (thick) with four
rulings
4 Neubauer ruling
5 Central portion of Neubauer ruling
6 Improved Neubauer ruling
7 Central portion of improved Neubauer ruling
8 Burker ruling
9 Modified Fuchs-Rosenthal ruling
Counting chambers with one, two or four rulings of four types (Neubauer, Improved Neubauer, Bürker and modified Fuchs Rosenthal); dimensions and tolerances (slides, rulings and coverglasses); inscriptions (for slides).
| Committee |
CH/212
|
| DevelopmentNote |
Supersedes 79/53402 DC. (10/2005) Inactive for the new design. (12/2007)
|
| DocumentType |
Standard
|
| Pages |
14
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| BS 6920-2.5:1996 | Suitability of non-metallic products for use in contact with water intended for human consumption with regard to their effect on the quality of water. Methods of test The extraction of substances that may be of concern to public health |
| DEFSTAN 91-70/1(1990) : 1990 | CUTTING FLUID, SOLUBLE, BIOSTABLE - JOINT SERVICE DESIGNATION ZX-9 |
| BS 3900-G6:1989 | Methods of test for paints Assessment of resistance to fungal growth |
| BS 6920-2.5(2000) : 2000 | SUITABILITY OF NON-METALLIC PRODUCTS FOR USE IN CONTACT WITH WATER INTENDED FOR HUMAN CONSUMPTION WITH REGARD TO THEIR EFFECT ON THE QUALITY OF THE WATER - PART 2: METHODS OF TEST - SECTION 2.5: THE EXTRACTION OF SUBSTANCES THAT MAY BE OF CONCERN TO PUBLIC HEALTH |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.