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sklademVydáno: 1977
ISO 387:1977
ISO 387:1977-Hydrometers — Principles of construction and adjustment
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| Označení normy: | ISO 387:1977 |
| Počet stran: | 5 |
| Vydání: | 1 |
| Vydáno: | 1977 |
DESCRIPTION
ISO 387:1977
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.