STM PDF

Petroleum products - Calculation of cetane index of middle-distillate fuels by the four variable equation. Original standard ISO 4264-2018 in PDF full version. Additional info + preview on request

Document status: Active

Petroleum products - Lubricating oils and additives - Determination of phosphorus content - Quinoline phosphomolybdate method. Original standard ISO 4265-1986 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Petroleum and liquid petroleum products - Measurement of level and temperature in storage tanks by automatic methods - Part 1- Measurement of level in atmospheric tanks. Original standard ISO 4266-1-2023 in PDF full version. Additional info + preview on request

Document status: Active

Petroleum and liquid petroleum products - Measurement of level and temperature in storage tanks by automatic methods - Part 2- Measurement of level in marine vessels. Original standard ISO 4266-2-2023 in PDF full version. Additional info + preview on request

Document status: Active

Petroleum and liquid petroleum products - Measurement of level and temperature in storage tanks by automatic methods - Part 3- Measurement of level in pressurized storage tanks (non-refrigerated). Original standard ISO 4266-3-2024 in PDF full version. Additional info + preview on request

Document status: Active

Petroleum and liquid petroleum products - Measurement of level and temperature in storage tanks by automatic methods - Part 4- Measurement of temperature in atmospheric tanks. Original standard ISO 4266-4-2023 in PDF full version. Additional info + preview on request

Document status: Active