ISO/DIS 3987

Тезис

ISO 3987:2010 describes a procedure for the determination of the mass percentage of sulfated ash from unused lubricating oils containing additives and from additive concentrates used in compounding. These additives usually contain one or more of the following metals: barium, calcium, magnesium, zinc, potassium, sodium and tin. The elements sulfur, phosphorus and chlorine can also be present in combined form.

Общая информация

Текущий статус
: В стадии разработки
Версия
: 4
Технический комитет
: ISO/TC 28 Petroleum and related products, fuels and lubricants from natural or synthetic sources
ICS
:
75.100 Lubricants, industrial oils and related products