Flame Photometric Detector Technique Definition

Technique Schema Version 0.34

Technique definition for Flame Photometric Point Detector data. Measures the color of the flame.

Table of Contents

Experiment Data Role Blueprints (1)

  • Data Source
  • Method Categories (5)

  • Method Description
  • Detector Properties
  • Detector Settings
  • Current Amplifier Settings
  • A/D Converter Settings
  • Result Blueprints (1)

  • FPD Trace
  • Bibliography

    Experiment Data Role Blueprints

    Data Source Experiment Data Role

    Reference to the GC separation experiment step.
    Experiment Flowconsumed
    Modalityrequired
    maxOccurs1

    Method Blueprint

    Category: Method Description (optional, max. 1 occurrences)
    Basic contextual information about the measurement method.

    Parameter: Method Name : String (optional, max. 1 occurrences)
    Name of the method used for the measurement.

    Parameter: Method Reference : String (optional, max. 1 occurrences)
    External reference to measurement method.

    Category: Detector Properties (optional, max. 1 occurrences)

    Optical Filters Series Set (optional)

    Name Lower Bound Upper Bound Filter Description
    Documentation The lower-bound x-axis value from which the specified filter was used. The upper-bound x-axis value from which the specified filter was used..
    Dependencydependentdependentdependent
    Data Type Float Float String
    Modalityrequiredrequiredrequired
    maxOccurs111
    Plot Scalenonenonenone
    Quantity:UnitsReciprocal Length : [1/cm]
    Length : [µm][nm][pm]
    Energy : [eV]
    Reciprocal Length : [1/cm]
    Length : [µm][nm][pm]
    Energy : [eV]
    Allowed Values

    Parameter: Flame Tip Diameter (Length: [mm][in]) : Float (optional, max. 1 occurrences)
    Diameter of the flame tip jet.

    Parameter: Detector Position : String (optional, max. 1 occurrences)
    Position of the detector in the instrument. Often called 'A' or 'B', 'left' or 'right', ...

    Parameter: Make Up Gas Identity : String (optional, max. 1 occurrences)
    Identity of the make up (also called auxiliary) gas of the detector.
    Allowed values: helium, hydrogen, nitrogen, argon, other

    Category: Detector Settings (optional, max. 1 occurrences)

    Parameter: Block Temperature (Temperature: [K][°C][°F]) : Float (optional, max. 1 occurrences)
    Configured temperature of the detector base block.

    Parameter: Photomultiplier Bias Voltage (Voltage: [V][kV]) : Float (optional, max. 1 occurrences)
    DC voltage for biasing the dynode string.

    Parameter: Hydrogen Flow Rate (Flow Rate: [mL/min][µL/min]) : Float (optional, max. 1 occurrences)
    Flow rate of the hydrogen going to the flame.

    Parameter: Air Flow Rate (Flow Rate: [mL/min][µL/min]) : Float (optional, max. 1 occurrences)
    Flow rate of the air going to the flame.

    Parameter: Oxygen Flow Rate (Flow Rate: [mL/min][µL/min]) : Float (optional, max. 1 occurrences)
    Flow rate of the oxygen going to the flame.

    Parameter: Make Up Gas Flow Rate (Flow Rate: [mL/min][µL/min]) : Float (optional, max. 1 occurrences)
    Flow rate of the make up (also called auxiliary) gas.

    Category: Current Amplifier Settings (optional, max. 1 occurrences)

    Parameter: Range (Current: [A][mA][µA][nA][pA][fA]) : Float (optional, max. 1 occurrences)
    Full-scale range of the current amplifier, mostly given in full decades.

    Parameter: Current to Voltage Conversion Factor (Factor: [A/V]) : Float (optional, max. 1 occurrences)
    Gain factor on the conversion from current to voltage.

    Parameter: Offset Current (Current: [µA][nA][pA][fA]) : Float (optional, max. 1 occurrences)
    Bucking (zero adjustment) current to remove background ions, applied before current-to-voltage conversion.

    Parameter: Offset Voltage (Voltage: [V][mV][µV][nV]) : Float (optional, max. 1 occurrences)
    Bucking (zero adjustment) voltage to remove background ions, applied after current-to-voltage conversion.

    Parameter: Attenuation Factor : Int (optional, max. 1 occurrences)
    Pre-A/D conversion amplitude control factor, typically in the range of 1-1024.

    Parameter: Bandwidth (Rate: [µV/s][mV/s]) : Float (optional, max. 1 occurrences)
    Response rate of the current amplifier.

    Parameter: Time Constant (Time: [s][ms][µs]) : Float (optional, max. 1 occurrences)
    Amount of time required for response to reach 1-1/e (~ 63.2 %) full scale. [IEEE 421A-1978]

    Category: A/D Converter Settings (optional, max. 1 occurrences)

    Parameter: Channel ID : String (optional, max. 1 occurrences)
    A/D converter channel ID, e.g. 'A', 'B', ... or '1', '2', ...

    Parameter: Mode : String (optional, max. 1 occurrences)
    Acquisition scheme for detection.
    Allowed values: single-ended, differential

    Parameter: Range (Voltage: [V][mV][µV]) : Float (optional, max. 1 occurrences)
    Maximum full-scale voltage of the A/D converter.

    Parameter: Range Polarity : String (optional, max. 1 occurrences)
    Polarity of the voltage range of the A/D converter.
    Allowed values: positive, negative, bipolar

    Parameter: Resolution (Bits: [bits]) : Int (optional, max. 1 occurrences)
    A/D converter signal resolution, given in number of bits, e.g. 12, 16, 24.

    Parameter: Digitization Rate (Frequency: [Hz]) : Float (optional, max. 1 occurrences)
    Number of data points collected per second (after any averaging).

    Parameter: Averaging Factor (Count: ) : Float (optional, max. 1 occurrences)
    Number of raw values averaged to obtain a data point.

    Result Blueprints

    FPD Trace Result

    Time-base trace of FPD detector data.

    FPD Trace Series Set (required)

    Name Time Signal
    Documentation TODO Detector output signal
    Dependencyindependentdependent
    Data Type Float Float
    Modalityrequiredrequired
    maxOccurs11
    Plot Scalelinearlinear
    Quantity:UnitsTime : [ms][s][min]
    Voltage : [V][mV][µV][nV][pV]
    Current : [A][mA][µA][nA][pA][fA]
    Arbitrary : [arbitrary]
    Allowed Values

    Bibliography

    IEEE 421A-1978 - 1 reference
    IEEE Standard 421A-1978


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