ISO 387:1977 PDF
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Hydrometers — Principles of construction and adjustment
Glass hydrometers of constant mass which do not incorporate a thermometer are considered. Basis of scale, reference temperature, surface tension and reference levels for adjustment and reading are specified. In annex A the standard categories of surface tension are tabled, and annex B deals with the adoption of density as preferred basis of scale.
Edition | 1977 |
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Published Date | 1977 |
Published By | International Standardization Organisation |
Page Count | 5 |