LT1 Flashcards
What solvent do you clean the Auto Freeze Point (ASTM D7153) equipment with?
Heptane
Do Not Use Acetone
When running D86 distillation what size aperture do you use for gasoline?
38mm aperture
When running D86 distillation what size aperture do you use for diesel?
50mm aperture
D86 Distillation - What is the time from initial heat to IBP?
Group 1&2 is 5-10 minutes
Group 4 is 5-15 minutes
D86 Distillation - What is the time from IBP to 5%?
Group 1&2 is 60-100 seconds
Group 4 is NA
D86 Distillation - What is the time from 5ml residue to FBP?
5 minutes max
D86 Distillation - In what group does gasoline with an RVP greater than 9.5psi belong?
Group 1
D86 Distillation - In what group does gasoline with an RVP less than 9.5psi belong?
Group 2
D86 Distillation - In what group does diesel belong?
Group 4
D86 Distillation - What temperature range should group 1 & 2 gasoline be prior to measuring sample?
55-65degF
D86 Distillation - How much sample is required to run distillation?
100mL
D86 Distillation - Group 1 & 2 samples should be conditioned to what temperature before sample is run?
Less than 50degF
D86 Distillation - Your percent loss should not be over what?
3.1% vol
Gravity - Density equals?
g/mL or g/cm3
Gravity - What is the common API temperature that we report at?
60degF or 15degC
What samples are tested in Pour Point by Phase?
Diesel products
What samples are tested in Auto Freeze Point by Phase?
Jet or Kero products
Pour and Cloud is reported in what increments?
To the nearest 1degF
Freeze point is reported in what increments?
To the nearest 0.1degC
What size sample is used for Freeze point by ISL?
10mL sample
Rinse twice with 10mL sample
When running sample dispense the sample into the test cell STOPPING at the 2mL mark
D86 Distillation - What should the average rate of condensation be from 5% recovered to 5mL in flask?
4-5 mL/min
Baume gravity should be checked at what temperature?
60-75degF
What grit paper do you use for initial copper strip preparation?
150 grit followed by 220 grit