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1
Q

Accelerated Fuel Oil Stability Test
F21-61 (Blotter).

How much sample is used for the blotter test?
What temperature is the blotter test analyzes at and for how long?

A

50ml of sample for 90 minutes at 300F.

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2
Q

Accelerated Fuel Oil Stability Test
F21-61 (Blotter).

What process is used when filtering sample?
What filter is used?

A

After pouring sample through filter, wash test tube 3 times with 10ml of heptane through filter.

4.25cm No.1 Whatman filter

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3
Q

ASTM 7039 Sulfur in Gasoline, Diesel Fuel and gasoline Ethanol blends by X-ray Fluorescence Spectrometry

What type of X-ray is used to determine sulfur?

A

Total sulfur by monochromatic wavelengthdispersive X-ray fluorescence (MWDXRF) spectrometry

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4
Q

ASTM 7039 Sulfur in Gasoline, Diesel Fuel and gasoline Ethanol blends by X-ray Fluorescence Spectrometry

What are the test ranges for Diesel and Gasoline using ASTM D7039

A

Diesel 0-100 mg/kg
Gasoline 0-500 mg/Kg

rounded to the nearest 1 mg/kg
for concentrations ≥100 mg/kg

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5
Q

D611 Aniline Point

What do the temperature points characterize during analysis of pure hydrocarbon and hydrocarbon mixtures?

A

Aromatic hydrocarbons exhibit the lowest, and paraffins the highest
values.
Cycloparaffins and olefins exhibit values that lie between those for paraffins and aromatics.

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6
Q

D611 Aniline Point

What is the maximum value that can be entered expected Aniline Point?

A

The maximum value that can be entered is 338 F or 170 C.

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7
Q

D611 Aniline Point

How much sample and Aniline is used for this test?

A

10ml of aniline into the apparatus,

and deliver 10ml of sample with a different syringe

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8
Q

D611 Aniline Point

What does the Aniline Point estimate?

A

Aniline point is most often used to provide an estimate of the aromatic hydrocarbon content of mixtures.

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9
Q

D611 Aniline Point

What is the procedure for washing the measuring cell?

A

(1) Close the drain valve and inject approximately 20 ml of toluene solvent into the sample inlet.
(2) Turn the stirring switch on to wash the cell for 10 to 20 seconds.
(3) After washing, stop stirring and drain the solvent.
(4) If necessary, repeat the above procedure multiple times.
(5) Dry the inside of the measuring cell using methanol as a drying solvent

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10
Q

D2163 Determination of Hydrocarbons in LPGs by Gas
Chromatography
(Big Al/Gordo)

What type of detector is used?

A

Flame Ionization Detector. (FID)

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11
Q

D2163 Determination of Hydrocarbons in LPGs by Gas
Chromatography
(Big Al/Gordo)

Component concentrations are determined in the range of?

A

0.01 to 100 volume percent

C1-C5

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12
Q

D2163 Determination of Hydrocarbons in LPGs by Gas
Chromatography
(Big Al/Gordo)

What is used to pressurize and clean LPG cylinders?

A

High Purity Nitrogen/Helium to pressurize and clean LPG cylinders.

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13
Q

D2624 Electrical Conductivity of Aviation and Distillate Fuels

What type of voltage is used when determining conductivity?

A

Alternating voltage.

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14
Q

D2624 Electrical Conductivity of Aviation and Distillate Fuels

What is the upper detection limit?

A

conductivity range up to 2000 pS/m

If the conductivity is
sufficiently high, charges dissipate fast

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15
Q

D2624 Electrical Conductivity of Aviation and Distillate Fuels

What temperature is conductivity analyzed?

A

Analyze at 72F

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16
Q

D2624 Electrical Conductivity of Aviation and Distillate Fuelsls

Procedure for zero and calibration?

A

“M” Button for 3 seconds = 0

“CAL” button for 3 seconds = 410

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17
Q

D3242 Acidity in Aviation Turbine Fuel

What is the detection range?

A

0.000 mg/g to 0.100 mg/g KOH

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18
Q

D3242 Acidity in Aviation Turbine Fuel

What indicator solution is used?

A

0.1 mL of the p-Naptholbenzein

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19
Q

D3242 Acidity in Aviation Turbine Fuel

What size Buret is used?

A

10 mL buret graduated in 0.05 mL subdivisions

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20
Q

D3242 Acidity in Aviation Turbine Fuel

What sample size is used.

A

100g ± 5 grams to the nearest 0.5g of sample

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21
Q

D3242 Acidity in Aviation Turbine Fuel

What is the titration solvent and how much is used for testing?

A

Titration Solvent: 1000ml of Toluene, 10ml of of water, 990ml of anhydrous isopropyl alcohol.

100 mL of the titration solvent and 0.1 mL of the p-Naptholbenzein indicator solution in it.

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22
Q

D3606 Determination of Benzene and Toluene in Finished Motor and Aviation Gasoline by GC

What type of detector is used?

A

Thermal Conductivity Detector (TCD)

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23
Q

D3606 Determination of Benzene and Toluene in Finished Motor and Aviation Gasoline by GC

What are the detection ranges?

A

Benzene 0.1 to 5 vol%

Toluene 2 % to 20 vol%

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24
Q

D3606 Determination of Benzene and Toluene in Finished Motor and Aviation Gasoline by GC

QUALITY CONTORL REQUIREMENTS

A

Daily CRV is ran to monitor accuracy and precision gasoline is ran twice a week to monitor precision.

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25
D3606 Determination of Benzene and Toluene in Finished Motor and Aviation Gasoline by GC What is the Internal Standard used?
Sec-Butanol (2-Butanol) Istd Wt is 4 which is used as a multiplier to calculate result.
26
D3606 Determination of Benzene and Toluene in Finished Motor and Aviation Gasoline by GC What is the peak/elution order?
Benzene, Sec-Butanol(2-Butanol), Toluene Reported to the nearest 0.01% by volume.
27
D4294 Sulfur Energy Dispersive X-ray Fluorescence Spectrometry What ranges does this method cover?
D4294 is used for ranges 0.10 to 5.00%
28
D4294 Sulfur Energy Dispersive X-ray Fluorescence Spectrometry What cup and film type are used for D4294?
Spectro Sulfur Cups Cat. No. 1850 | Spectro Membrane Polypropylene Thin Film Cat. No. 3020
29
D4530 MCRT What test is D4530 MCRT equivalent to?
D189 Conradson Carbon Residue
30
D4530 MCRT What should happen if samples are expected to be below 0.10wt%?
The 10 % bottoms is then tested for carbon residue by this test method.
31
D4530 MCRT What is the first step in this procedure?
Homogenzie sample.
32
D4530 MCRT What pressure should the Nitrogen gauge read?
Make sure Nitrogen pressure gauge is reading 20psi 1psi.
33
D4530 MCRT When should the sample vial holder be removed after the run is complete?
When the run is complete and the oven temperature is under 250C <250C
34
D4815 Determination of Oxygenates in Gasoline by GC What type of detector is used on D4815?
FID (Flame Ionization Detector)
35
D4815 Determination of Oxygenates in Gasoline by GC What types of columns are used?
1st polar TCEP column | 2nd WCOT nonpolar column
36
D4815 Determination of Oxygenates in Gasoline by GC What are the detection limits?
Ethers 0.20 % to 20.0 % by mass. | Alcohols 0.20 % to 12.0 % by mass.
37
D4815 Determination of Oxygenates in Gasoline by GC What is the internal standard?
DME (Dimethoxyethane)
38
ASTM D4928 Water in Crude Oils by Coulometric Karl Fischer Titration What is the determination range?
0.02 to 5.00 mass or volume % in crude oils
39
ASTM D4928 Water in Crude Oils by Coulometric Karl Fischer Titration How long should you homogenize the sample?
Homogenized the sample for 4 minutes prior to analysis.
40
ASTM D4928 Water in Crude Oils by Coulometric Karl Fischer Titration When all the water has been titrated, excess iodine is detected by an _________________and the titration is terminated.
electrometric endpoint detector
41
D6079 Evaluating Lubricity of Diesel Fuels by HFRR What size sample specimen is used when analyzing lubricity by HFFR?
2-ml test specimen
42
D6079 Evaluating Lubricity of Diesel Fuels by HFRR What temperature and humidity is the sample specimen analyzed?
60 °C | humidity is maintained between 30 % and 85 %
43
D6079 Evaluating Lubricity of Diesel Fuels by HFRR a vibrating arm holding a non-rotating steel ball loaded with ________ mass is lowered until it contacts test disk completely submerge in the fuel.
200 g
44
D6079 Evaluating Lubricity of Diesel Fuels by HFRR The ball is rubbed against the disk with a ____ stroke at a frequency of ________________.
1mm | 50 Hz for 75 minutes
45
D6079 Evaluating Lubricity of Diesel Fuels by HFRR Upon completion of the test, remove the upper specimen holder, rinse with _________ then ________ (air dry).
heptane then acetone
46
ASTM D6667 Total Sulfur in LPG by UV Fluororscence What is the detection range of sulfur for this method?
0-100 mg/Kg total sulfur
47
ASTM D6667 Total Sulfur in LPGby UV Fluororscence The gaseous sample then enters a high temperature combustion tube where sulfur is __________ to sulfur dioxide (SO2) in an oxygen rich atmosphere.
oxidized
48
ASTM D6667 Total Sulfur in LPGby UV Fluororscence What type of detector tube is use for analysis?
photomultiplier tube
49
ASTM D6667 Total Sulfur in LPGby UV Fluororscence A blank will be run before the sample to ensure the lines are clear of any residual or carryover. The blank should be _____________.
<2ppm
50
D7042 Dynamic Viscosity and Density of Liquids by Stabinger How is kinematic viscosity calculated?
Vk=Vd/D Vk=Kinematic Viscosity Vd=Dynamic Viscosity D=Density
51
ASTM D7546 Determination of Moisture in New and InService Lubricating Oils and Additives by Relative Humidity Sensor What is the range for this analysis?
10  mg/kg to 100 000 mg/kg | 0.001 wt./wt. to 10 % wt./wt.
52
ASTM D7546 Determination of Moisture in New and InService Lubricating Oils and Additives by Relative Humidity Sensor What temperature has the apparatus been set to?
180C
53
D88 Saybolt Viscosity What temperature range is used for analysis?
21 and 99°C | 70 and 210°F
54
D88 Saybolt Viscosity How much sample is used for analysis?
60ml of sample
55
D1796, D2709 & D4007 Water and Sediment by Centrifuge What range is this method valid for fuel oil?
The method is valid for fuel oils in the range from 0 to 30 % volume water and sediment.
56
D1796, D2709 & D4007 Water and Sediment by Centrifuge Does this method detect dissolved water?
No, this method does not detect dissolved water.
57
D1796, D2709 & D4007 Water and Sediment by Centrifuge What tube is used for analysis?
203mm (8in) tube
58
D1796, D2709 & D4007 Water and Sediment by Centrifuge What is the sample preperation?
Homogenize sample for 1 minute.
59
D1796, D2709 & D4007 Water and Sediment by Centrifuge What motor speed is needed to require the correct G's for this analysis?
1530 rpm’s. This will deliver an RCF of 600 G
60
D1796, D2709 & D4007 Water and Sediment by Centrifuge At what temperature should the centrifuge tube bath and centrifuge be maintained?
140F (60C)
61
D3227 Mercaptan Sulfur by Potentiometric Titration What are the detection limits?
0.0003 to 0.01 mass% | 3 to 100 weight ppm
62
D3227 Mercaptan Sulfur by Potentiometric Titration A ___________ method is used to determine the amount of sulfur as mercaptan.
titrometric
63
D3227 Mercaptan Sulfur by Potentiometric Titration What types of solvent are used?
Alkaline Titration Solvent for Gas & Naphtha | Acidic Titration Solvent for Distillates
64
D3227 Mercaptan Sulfur by Potentiometric Titration How much sample is used for mercaptan test?
35g of sample
65
D3948 WSIM How long should the equipment warm up before analysis.
Warm up for 15 minutes
66
D3948 WSIM What temperature should the sample before analysis?
Samples should be between 65 °F and 85 °F when testing WISM
67
D3948 WSIM What is this method designed to detect?
surfactants
68
D445 Kinematic Viscosity of Transparent and Opaque Liquids How much flow time constitutes a valid analysis?
flow time should be greater than 200 seconds
69
D5453 Sulfur The Xylene method will be used for low level sulfurs less than ________.
10ppm
70
D5453 Sulfur What part of this equipment converts liquids to gases?
Combustion Tube
71
D5453 Sulfur What part of this equipment detects sulfur compounds?
photomultiplier tube
72
D5453 Sulfur What %RSD should you have to consider a valid run?
5% RSD
73
Preparing Volumetric Blends of Denatured Fuel Ethanol and Gasoline Blend stocks What type of glassware should be used to make a Volumetric Blend?
Class A glassware
74
Preparing Volumetric Blends of Denatured Fuel Ethanol and Gasoline Blend stocks Chill apparatus, samples, denatured fuel ethanol, to what temperature when blending?
0°C to 4°C
75
ASTM D93 Flash Point by Pensky-Martens Closed Cup Tester What is the detectable temperature range for this method?
104F - 698F | 40C - 370C
76
ASTM D93 Flash Point by Pensky-Martens Closed Cup Tester What sample volume is required for this analysis?
Ensure at least 75 mL of sample is available so there is sufficient material for the test.
77
ASTM D93 Flash Point by Pensky-Martens Closed Cup Tester What temperature should the sample be before testing flash point?
the sample temperature is at least the equivalent of 18 °C or 32 °F below the expected flash point.
78
ASTM D93 Flash Point by Pensky-Martens Closed Cup Tester What are the sample container fill requirements for Flash analysis?
Residual fuel oil 85 % to 95 % full other types of samples not more than 85 % full or less than 50 % full
79
Determination of Total Fluoride in LPG by by GC ELCD What type of detector is used?
Electrolytic Conductivity Detector (ELCD).
80
Determination of Total Fluoride in LPG by by GC ELCD What is the range?
1ppm - 100ppm
81
Standard Test Method for Flash Point by Modified Continuously Closed Cup (MCCCFP) Tester What are the cup size, sample size, and heating requirements?
4ml cup= 1ml sample @ 2.5C/min 7ml cup= 2ml sample @ 5.5C/min
82
KF Analysis/ KOH Strength The RGS stream is monitored on a daily basis. What products are used to adjust KF and KOH?
If the KF is too high, Lime is added to the process. If the KF and KOH combined are too low, fresh KOH is added.
83
KF Analysis/ KOH Strength When analyzing for KF, how much sample is used?
0.4g of sample
84
KF Analysis/ KOH Strength What is the daily check on the KF analyzer?
10 ppm Fluoride std.
85
KF Analysis/ KOH Strength How much sample is used to test KOH?
.25 gms of sample in a tared plastic beaker. | Fill to the 60-80 ml mark on the beaker with DI water
86
MDEA and H2S Loading by Titration Determining the amine loading monitors the performance of the ____________ process.
regeneration
87
MDEA and H2S Loading by Titration Determining the rich loading monitors the __________ efficiency.
contactor
88
MDEA and H2S Loading by Titration What determines viscosity?
amine strength
89
MDEA and H2S Loading by Titration Which probe is used for Amine Strength testing?
pH electrode
90
MDEA and H2S Loading by Titration Which probe is used for H2S Loading testing?
silver combination electrode
91
MDEA and H2S Loading by Titration How much sample is used for Amine Strength testing?
Lean Solvent @ 0.1 – 0.2 grams is sufficient
92
MDEA and H2S Loading by Titration How much sample is used for H2S Loading testing?
Rich Solvent @ 0.1 – 0.4 grams & Lean Solvent @ 5 – 30 | grams is sufficient.
93
Refinery Gas Analysis by Gas Chromatography (Wasson LPG) What detector is used to detect Hydrocarbons?
Flame Ionization Detector (FID) | Front
94
Refinery Gas Analysis by Gas Chromatography (Wasson LPG) What detector is used to detect H2S, Hydrogen, CO2, CO, O2 and N2?
Thermal Conductivity Detector (TCD) | Back
95
Quick Reference Detection Limits
``` Ethers 0.20-20 Alcohols .20-12 Benzene .10-5 Toluene 2-20 D6667 0-100 Big Al/Gordo 0.01-100 VaporPro 10-100,000 @ 180C Mercaptan 3-100ppm ```

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