1、BRITISH STANDARD BS 7011-2.1: 1989 Consumable accessories for light microscopes Part 2: Slides Section 2.1 Specification for dimensions and optical properties NOTEIt is essential that this section is read in conjunction with the general information given in BS7011-0 “General Introduction”. which is
2、published separately. UDC 681.723:681.7.074.2:681.785.6:(083.74)BS7011-2.1:1989 This British Standard, having been prepared under the directionof the Laboratory Apparatus Standards Committee,was published underthe authority of the BoardofBSI and comes into effect on 28 February 1989 BSI 09-1999 The
3、Committees responsible forthis British Standard are shown in Part0. The following BSI references relate to the work on this standard: Committee reference LBC/33 Draft for comment 87/52976 DC ISBN 0 580 16816 6 Foreword This Section of BS7011 has been prepared under the direction of the Laboratory Ap
4、paratus Standards Committee. It supersedes some of the requirements given in BS3836-1:1974, which are deleted by amendment. This Section of BS7011 is related to ISO8037-1:1986 “Optics and optical instruments Microscopes Slides Part1: Dimensions, optical properties and marking”, published by the Inte
5、rnational Organization for Standardization (ISO), and differs from the technical requirements of the International Standard in the following respects. Three nominal thicknesses and tolerances (0.9,1.0 and1.1mm 0.1mm) are specified instead of a single thickness range (0.9mm to1.2mm). The tolerance on
6、 the length ismm instead ofmm. The tolerance on the width ismm instead of mm. The other Parts and Sections of this standard are listed in Part0. Purchasers ordering to this standard are advised to specify in their purchasing contract that the supplier operates a quality system in compliance with BS5
7、750-3 to ensure that products claimed to comply with BS7011-2.1 consistently achieve the required level of quality. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a B
8、ritish Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages 1 and 2, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendme
9、nts incorporated. This will be indicated in the amendment table on the inside front cover. +0 0.5 +0 1 +0 0.5 + 0 1 Amendments issued since publication Amd. No. Date of issue CommentsBS7011-2.1:1989 BSI 09-1999 i Contents Page Foreword Inside front cover 1 Scope 1 2 Dimensions 1 3 Design 1 4 Optical
10、 properties 1 5 Marking 1 Table 1 Nominal dimensions of microscope slides 1 Table 2 Tolerances on dimensions of microscope slides 1 Publications referred to Inside back coverii blankBS7011-2.1:1989 BSI 09-1999 1 1 Scope This Section of BS7011 specifies the dimensions and optical properties of a rang
11、e of twelve nominal sizes of microscope slides suitable for use for transmitted light microscopy in the visible spectral range. NOTE 1The visible spectral range is defined as being the range from400nm to760nm. NOTE 2The titles of the publications referred to in this Section are listed on the inside
12、back cover. 2 Dimensions The dimensions of the microscope slides shall be one of the sizes given inTable 1 and within the tolerances given inTable 2. Table 1 Nominal dimensions of microscopeslides Table 2 Tolerances on dimensions of microscope slides 3 Design The microscope slides shall be rectangul
13、ar. 4 Optical properties The microscope slides shall have a principle refractive index (n e ) of1.53 0.02. NOTEThe principle refractive index n e , is the refractive index of light at the green mercury e-line (2 e= 546.07nm, see BS7017). This wavelength is close to the maximum sensitivity of the eye
14、 and has been used as the principal wavelength of optical computation for some time. 5 Marking Each package of microscope slides shall be clearly labelled with the following information: a) the nominal dimensions; b) the makers and/or vendors name or mark; 1) the number and date of this Section of t
15、his British Standard, i.e. BS7011-2.1:1989 1) ; or 2) for microscope slides which comply also with Section2.2 2)of this British Standard, the number of Part2 of this British Standard, i.e.BS7011-2 1) . Thickness Length Width mm mm mm 0.9 45 26 26 76 39 51 1.0 45 26 26 76 39 51 1.1 45 26 26 76 39 51
16、Dimension Tolerance mm Thickness 0.1 Length +0 0.5 Width +0 0.5 1) Marking BS7011-2 or BS7011-2.1:1989 on or in relation to a product represents a manufacturers declaration of conformity, i.e.in the case of the former, a claim by or on behalf of the manufacturer that the product meets the requiremen
17、ts of Section2.1 and Section2.2 of this standard, or, in the case of the latter, that the product meets the requirements of Section2.1 of this standard. The accuracy of the claim is therefore solely the responsibility of the person making the claim. Such a declaration is not to be confused with thir
18、d party certification of conformity, which may also be desirable. 2) In preparation.2 blankBS7011-2.1:1989 BSI 09-1999 Publications referred to BS 3836, Specification for components of microscopes 3) . BS 3836-1, Microscope cover slips and slides and immersion fluid. BS 5750, Quality systems 3) . BS
19、 5750-3, Specification for final inspection and test. BS 7017, Specification for reference wavelengths for optics and optical instruments. ISO 8037-1, Optics and optical instruments Microscopes Slides Part1: Dimensions, optical properties and marking 3) . 3) Referred to in the foreword only.BS 7011-
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