Parr-instrument 6300 Manual de usuario descargar pdf (Pagina 39)

CORRECTIONS & FINAL REPORTS

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CHAPTER 6

CORRECTIONS & FINAL

REPORTS

ENTERING CORRECTIONS AND OBTAINING THE

FINAL REPORT

Final reports for each test can be obtained whenever the

operator is prepared to enter any required corrections

for fuse, acid and sulfur.

When entering corrections, the user can choose either

of two methods. These are:

Manual Entry

•

Fixed Corrections•

Refer to the Reporting Instructions, Chapter 7, for the

steps necessary to initiate a report from the controller.

MANUAL ENTRY

During the reporting process, the controller will prompt

the user to enter the following values:

Fuse Correction

Key in the Fuse Wire Correction and press the

ENTER key. The default setting for this value is to

be entered in calories. The fuse correction has two

components and these are explained in Appendix B.

Acid Correction

Key in the Acid Correction and press the ENTER

key. The default setting for this value is to be entered

in milliliters of standard alkali required to titrate

total acid or calories.

Sulfur Correction

Key in the Sulfur Correction and press the ENTER

key. The default setting for this value is to be entered

as percent sulfur in the sample.

If fixed values for fuse, acid and sulfur are turned OFF

on the Thermochemical Corrections Page, then the user

must manually enter the values at the prompt.

If the Spiking Correction is used, a spiking correction

must be entered before obtaining a Final Report.

After the last entry has been made, the calorimeter will

automatically produce a Final Report.

If values for these corrections are not available, the

operator can use the SKIP key to bypass any of the

corrections; however, a Final Report will not be printed

until an entry is made for fuse, acid and sulfur.

FIXED CORRECTIONS

In many cases, fixed values for fuse and acid can be

used without introducing a significant error since the

corrections are both relatively small and constant.

Fixed sulfur corrections can also be used whenever

a series of samples will be tested with a reasonably

constant sulfur content.

Details for applying fixed corrections are found in

Appendix B, Thermochemical Calculations.

Any value set-up as a fixed correction will be

automatically applied and the controller will not prompt

the user for this value.

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Parr-instrument 6300 Manual de usuario Pagina 39

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