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AS 4716.1:2002 pdf free.Laboratory glassware—Bottles Part 1: Screw-neck bottles. 5 Construction 5.1 Material 5.1.1 Bottles shall be constructed of clear, colourless or amber borosilicate glass 3.3 in accordance with ISO 3585. 5.1.2 Internal stress and visible defects in the glass (such as bubbles near the surface) shall be reduced to a level sufficient to minimize the possibility of fracture due...

AS 2163:2002 pdf free.Laboratory glassware—Measuring cylinders. 8 GRADUATION AND NUMBERING 8.1 Graduation lines The graduation lines shall be clean, permanent lines of uniform thickness not exceeding 0.15 times the linear separation of the adjacent graduation lines and shall lie in planes at right-angles to the longitudinal axis of the measuring cylinder. 8.2 Spacing of graduation lines There shall be no...

AS 2026:2003 pdf free.Laboratory glassware—Density hydrometers. 5 BASIS OF SCALE The basis of scale shall be density (mass per unit volume) in kilograms per cubic metre (kg/rn3). The use of g/crn3. for which the symbol g/mL may be used, is acceptable. NOTES: 1 The term millilitre (rnL) is commonly used as a special name for cubic centimetre (cm’), in accordance...