DB22/T 3621-2023
Technical Specifications for Rapid Screening of Vehicle Diesel (English Version)

Scope: This document specifies the screening threshold, sampling, result processing and reporting, and screening method evaluation for automotive diesel. This document is applicable to the rapid screening of automotive diesel.

DB22/T 3621-2023 Referenced Document

GB 19147 Vehicle diesel*， 2026-07-05 Update
GB/T 11139 Distillate fuels--Calculation of cetane index
GB/T 1884 Crude petroleum and liquid petroleum products--Laboratory determination of density--Hydrometer method
GB/T 1885 Petroleum measurement tables
GB/T 261 Determination of flash point—Pensky-Martens closed cup method
GB/T 29858 Standard guidelines for molecular spectroscopy multivariate calibration quantitative analysis
GB/T 386 Standard test method for cetane number of diesel fuel oil
GB/T 4756 Method for manual sampling of petroleum liquids
GB/T 510 Determination of freezing point of petroleum products
NB/SH/T 0248 Determination of cold plugging point of diesel and domestic heating oil
NB/SH/T 0606 Determination of middle distillate hydrocarbon composition by mass spectrometry
NB/SH/T 0806 Determination of Aromatic Content in Middle Distillate Using High Performance Liquid Chromatography with Differential Refractometer Detector
NY/T 1841 Non-destructive determination of soluble solid and titratable acidity in apple fruit by NIR
SH/T 0604 Crude petroleum and petroleum products.Determination of density.Oscillating U-tube Method
SH/T 0689 Standard test method for determination of total sulfur in light hydrocarbons,motor fuels and oils by ultraviolet fluorescence
SH/T 0694 Calculation of cetane index of middle-distillate fuels by the four-variable equation
SH/T 0768 Test method of flash point by continuously closed cup tester

2023 DB22/T 3621-2023 Technical Specifications for Rapid Screening of Vehicle Diesel