ISO 649-1:1981 PDF
Laboratory glassware — Density hydrometers for general purposes — Part 1: Specification
Название (английский):
ISO 649-1:1981
Laboratory glassware — Density hydrometers for general purposes — Part 1: Specification
- Статус документа:
- Отменён
- Формат:
- Электронный (PDF)
- Количество страниц:
- 11
- Дата публикации:
- 1 августа 1981 г.
- Издание:
- ISO IS 649 edition 1 version 1
- ICS:
- 17.060
Описание (английский):
The requirements for basic series and sub-series of glass hydrometers of constant mass without built-in thermometer are specified. They are graduated to indicate density at 20 degrees centigrade and 15 degrees centigrade, respectively. Standard categories of surface tension are tabled in annex A, recommended stem diameters in annex B.
Технические детали
- Технический комитет
- ISO/TC 48/SC 4 - Density measuring instruments
- SKU
- ISO 649-1:1981