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

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