Sl. no. | ASTM standards | Properties | Method of testing | Limits |
1 | D93 | Flash point | Pensky-Martens closed cup tester & small scale closed cup tester | 130˚C min |
2 | D445 | Kinematic viscosity of transparent and opaque liquids @ 40˚C | Calculation by dynamic viscosity | 1.9 - 6.0 min2/sec. |
3 | D613 | Cetane number | Test method for petroleum based diesel | 47 min. |
| D287 | Specific gravity | Not required | 0.86 |
| D664 | Acid number of petroleum products | Potentiometric titration | 0.80 mg KOH/gm max |
4 | D974 | Acid and base number | Color-indicator titration | -- |
5 | D6584 | Free glycerin | 0.020% mass max. | 0.02 |
6 | D6584 | Total glycerin | 0.240% mass max. | 0.02 |
7 | D4951 | Phosphorus content | 0.001% mass max | -- |
8 | D976 | Distillation temp., atmospheric equiv. temp., 90% recovered | At reduced pressure | 360 ˚C max |
9 | D1266 | Sulfur in petroleum products | Lamp method & wavelength dispersive x-ray fluorescence spectrometry | 0.05% mass max |
10 | D1796 | Water and sediment in fuel oils | Centrifuge method (laboratory procedure) | -- |
11 | D2274 | Oxidation stability of distillate fuel oil at 110˚C | Accelerated method | 6 hours |
12 | D2500 | Cloud point of petroleum products | Optical detection stepped cooling method | −1˚C |
13 | D6584 | Test method for determination of total monoglycerides, diglycerides, triglycerides, and free and total glycerin in biodiesels | Gas chromatography | -- |