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Laboratory
Resistivity Determination and Prediction
Resistivity Determination
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IEEE Standard 548-1984
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Round
Trip - Resistivity measured as a function of ascending
and descending test temperature between 85°C
and 450°C in an environment of air containing one specified
water concentration at an average electric field intensity
of 4kV/cm
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$1,045/sample
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Ascending temperatures only; otherwise same
as round trip:
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$925/sample
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Descending temperatures only; otherwise same
as round trip:
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$660/sample
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Descending temperatures with one ascending
data point at the temperature of principal interest; otherwise
same as round trip:
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$760/sample
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Resistivity as a function of applied electric
field at a specified temperature:
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$710/sample
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With Sulfuric Acid or Ammonia Environment;
EPA Report 600/7-78-035
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Single point determination - Resistivity measured
isothermally as a function of electric field intensity in
an environment of air containing a specified concentration
of water and sulfuric acid or ammonia vapor (48 hour test)
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$1,045/sample
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Each additional data point produced by changing
temperature, water concentration, sulfuric acid vapor concentration
or ammonia vapor concentration (24 hour test):
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$660/sample
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Computer Model Resistivity Predictions
Resistivity
predicted as a function of temperature and environmental
conditions (water and sulfuric acid concentration) using
customer-supplied coal and ash compositional data. Model
II described in EPA-600/7-86-010 is used; with brief comment. |
$250/sample |
Predicted
inherent and sodium-depleted volume resistivity using customer-supplied
ash compositional data. Described in EPRI Report CS-3421;
with brief comment. |
$250/sample |
Learn more about Resistivity and
Particle Size Analysis
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