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AS 2234-1995 beakers

Standard Number:  AS 2234-1995
Title:  beakers
Language:  English
Replacing Standard:  AS 2234-1979 beakers

Publication Date:  1994/12/1
Execute Date:  1995/4/5
Adopted International Standard:  ISO 3819-1985 Laboratory glassware; Beakers Not Equivalent
Status:  Withdrawn
International Classification for Standards (ICS)CHEMICAL TECHNOLOGY>>Analytical chemistry>>Laboratory ware and related apparatus
Publisher:  Australia Standards(AS)
Price:  
Number of Pages:12P.;A4  

Preface:   
Description:Specifies two series of glass beakers, viz. low form and tall form, each with or without pouring lips, for general laboratory use.  
Catalog:Document Contents
AS 2234-1995 BEAKERS
PREFACE
CONTENTS
1 SCOPE
2 REFERENCED DOCUMENTS
3 TYPES OF BEAKERS
4 CAPACITIES OF BEAKERS
4.1 Nominal capacities
4.2 Overflow capacity
5 MATERIAL
5.1 General
5.2 Hydrolytic resistance
5.3 Thermal shock resistance
6 CONSTRUCTION
6.1 Base
6.2 Side
6.3 Rim
6.4 Pouring lip
7 DIMENSIONS
7.1 External diameter and height
7.2 Thickness of glass
7.2.1 Minimum thickness
7.2.2 Uniformity of thickness
7.2.3 Rule of change of thickness
7.3 Radius at base
7.3.1 Beakers of nominal capacity 250 mL or greater
7.3.2 Beakers of nominal capacity less than 250 mL
8 GRADUATED SCALE
9 MARKING
APPENDIX A - METHOD FOR THE DETERMINATION OF THE HYDROLYTIC RESISTANCE OF GLASS GRAINS AT...
A1 SCOPE
A2 PRINCIPLE
A3 APPARATUS
A4 REAGENTS
A4.1 Distilled water or deionized water
A4.2 Citric acid (0.1 mol/L)
A4.3 Hydrochloric acid (0.01 mol/L)
A4.4 Disodium hydrogen phosphate (0.2 mol/L)
A4.5 Buffer solution (pH = 5.2)
A4.6 Methyl red indicator
A5 PREPARATION
A6 PROCEDURE
A7 EXPRESSION OF RESULTS
A8 REPORT
APPENDIX B - METHODS FOR THERMAL SHOCK TESTS ON LABORATORY GLASSWARE
B1 SCOPE
B2 DEFINITION
B3 PRINCIPLE
B4 SAMPLING
B5 APPARATUS
B5.1 Method A
B5.2 Method B
B5.3 Method C
B6 PROCEDURE
B6.1 Method A
B6.2 Method B
B6.3 Method C
B7 RESULT OF TEST
B8 REPORT
  
File Format:  PDF(Acrobat Reader) or Word version doc Document
File Size:  203KB
Tile in English:  beakers

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