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ASTM D7821-12(2018)
New product
ASTM D7821-12(2018)
Standard Test Method for Field Test Determination of Urea Concentration in Diesel Exhaust Fluid (DEF)More info
1.1 This test method covers a technique for field testing the concentration of aqueous urea-based diesel exhaust fluid (DEF) prescribed for use in diesel engines equipped with selective catalytic reduction technology and is not intended to circumvent or replace the more accurate determination of urea content by refractive index laboratory method, described in ISO 22241-2, Annex C.
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| Confirmation date | 2018-09-01 |
| ICS | 75.160.20 : Liquid fuels
|
| Number of pages | 3 |
| Replace | ASTM D7821-12 |
| Set | ASTMVOL1505 |
| Year | 2012 |
| Document history | ASTM D7821-12 |
| Country | USA |
| Keyword | ASTM 7821;ASTM D7821;ASTM D7821;10.1520/D7821-12R18 |