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Metrohm 736 GP Titrino, Инструкция по эксплуатации

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2.10

 

Calculations

736 GP Titrino: Titration, dosing and measuring modes

24

Meaning 

Meaning of 

of the 

the calculation variables

calculation variables

C variables are

• 

determined by the method (C24...C27, C4X, C5X, C6X,
C7X, C8X)

• 

entered as sample specific data (C00, C21...C23)

• 

given as fixed constants in the methods (C01...C19)

Variable Meaning

C00
C01...C19

C21...C23
C24, C25
C26, C27
C30...C39
C40
C41
C42
C43
C44
C45
C46
C47
C51...C59
C61...C69
C70...C79
C80
C81...C89

Sample size, key <smpl data>.
Method specific calculation values, such as molecular mass, factors, key <C-
fmla>.
Sample specific calculation values, such as dilution factors, key <smpl data>.
Variables for storing determination results in the silo memory.
Means from silo calculations.
Common variables, e.g. for titer.
Initial measured value of the sample.
End volume.
Determination time.
Volume drift for KFT and SET with conditioning.
Temperature.
Dispensed start volume.
Asymmetry pH (pH calibration).
Electrode slope (pH calibration).
Fix EP for DET and MET or fix V for STAT.
pK/HNP values for DET and MET or fix times for STAT.
Temporary variables for calculations in TIP.
Mean rate for STAT: Overall rate, evaluated over all points of the measuring list.
Rates, evaluated in preset time windows for STAT.

Sample 

Sample data, 

data, key <

key <smpl 

smpl data>

data>

• 

Sample identifications or sample specific calculation val-
ues C21...C23

• 

Sample size C00

For working with the silo memory, see page 27.

Display

Meaning

Input range

id#1 or C21
id#2 or C22
id#3 or C23
smpl size
smpl unit:

Inquiries with silo = OFF (LED ”silo” is
OFF):

Sample identification. Can be used as
sample specific calculation values.

Sample size
Unit of sample size

up to 8 ASCII characters

-999 999...

1

...999 999

g

, mg, ml, ul, pc, no unit or up to

5 ASCII characters

}

Содержание 736 GP Titrino

Страница 1: ...736 GP Titrino Short instructions for use CH 9101 Herisau Switzerland Phone 41 71 53 85 85 Fax 41 71 53 89 01 736 GP Titrino Short instructions for use 8 736 1023 95 12 Ti pr...

Страница 2: ...ing modes 12 2 1 Survey of the titration modes 12 2 2 Mode DET and MET parameters 14 2 3 Mode SET parameters 15 2 4 Mode KFT parameters 16 2 5 Mode STAT parameters 17 2 6 Mode DOS parameters 19 2 7 Mo...

Страница 3: ...key once more You see the title of a new group of inquiries This is the title of the auxiliaries group This group contains the inquiry for the dialog language Note the sign All titles are prefixed by...

Страница 4: ...Summary of the most important signs Summary of the most important signs Signs in the Titrino dialog Title of inquiry groups e g auxiliaries Values can be chosen by the key select e g dialog Signs that...

Страница 5: ...t until pH appears in the display Confirm the measured quantity pH with enter You are now ready to titrate For the titration you need an Exchange Unit with NaOH c 0 1 mol L If you have not yet prepare...

Страница 6: ...n the second formula C Calculation values e g C01 C00 is reserved for the sample size The meaning of the different calculation values is given on page 23 Calculate the content of your hydrochloric aci...

Страница 7: ...splay of the result select enter Press select repeatedly until display results appears in the display Press enter to move on to the result display Selection of the automatic report output Selection of...

Страница 8: ...ress parameters twice to display the title stop condi tions The absolute stop volume It can be used as a safety volume to prevent overflow of the titration vessel Enter a value for the stop volume tha...

Страница 9: ...linking posi tion and confirm it with enter The next position is now blinking Enter the next letter here confirm it with enter etc If the identifier is complete quit the text input with QUIT Confirm t...

Страница 10: ...an extended method memory where the methods can be organized in various directories if every user wants to store his methods on his own card for exchanging methods between various laboratories appara...

Страница 11: ...0 remaining bytes 121892 Current directory print card enter name of the current directory methods in this di rectory remaining bytes on this card cd 736 GP Titrino 02103 736 0010 date 1997 09 13 time...

Страница 12: ...it resp user meth enter select enter n x parameters m x enter select enter 2 x QUIT START Recall the method HCl from the user memory Press the key user meth In the display appears recall method Press...

Страница 13: ...has been chosen Press the key prep again In the display appears external D1 prep Press the key DOS on the Titrino The external dosing unit D1 doses If you press the key STOP FILL on the Titrino it wi...

Страница 14: ...slope of the curve Drift controlled equilibrium titra tion and or after a fixed equilibration time Evaluation The evaluation of EP s is based on the zero crossing of the sec ond derivative with a Met...

Страница 15: ...X in ml Evaluation of rates dV dt in the set time windows and the mean rate over the entire meas uring point list volumes associated with a preset time fix V times associated with a preset fraction of...

Страница 16: ...C stop conditions stop V stop V factor stop pH stop EP filling rate Type of stop volume absolute or relative Volume for absolute stop volume Factor for calculation of relative stop volume factor smpl...

Страница 17: ...pe of start volume absolute or relative Volume for absolute start volume Factor for calculation of relative start volume factor smpl size Dosing rate for start volume Waiting time after start volume E...

Страница 18: ...t volume Factor for calculation of relative start volume factor smpl size Dosing rate for start volume Waiting time after start volume Extraction time Selection of the dosing unit Polarization current...

Страница 19: ...election of dosing unit Measuring input for pH and U Temperature abs rel OFF 0 999 99 ml 0 999 999 0 01 150 ml min max 0 999 999 s 0 999 999 s pH 0 00 20 00 OFF 0 2000 mV 0 0 200 0 uA 0 01 150 ml min...

Страница 20: ...n limits again then continue Monitoring of rate same actions as above Monitoring of temperature same actions as above Assignment of output L4 for monitoring Set a signal when values are out of limit O...

Страница 21: ...top volume Filling rate abs rel OFF 0 99 99 99 999 99 ml 0 999 999 0 01 150 ml min max statistics Statistics calculation see at DET page 14 monitoring meas mode meas input low lim pH up lim pH action...

Страница 22: ...auto abs rel OFF 0 999 99 ml 0 999 999 0 01 150 ml min max 0 999 999 s 1 10 999 999 s internal D0 external D1 D2 1 2 diff 170 0 25 0 500 0 C stop conditions stop V stop V factor filling rate Type of...

Страница 23: ...size activate pulse Request of identifications after start Request of sample size after start Pulse output on I O line L6 id1 id1 2 all OFF value unit all OFF ON OFF CAL CAL Display Meaning Input rang...

Страница 24: ...when on I O line L6 The sequence will be held and an info appears in the display Preparation of the dosing unit method name 0 999 999 s inf active inactive pulse OFF active inactive pulse OFF up to 1...

Страница 25: ...fmla 1 9 RS1 or up to 8 ASCII characters 0 2 5 ppm g l mg ml mg pc mol l mmol l g mg ml s ml min no unit or up to 6 ASCII characters silo calculations C24 C25 match id Allocations for silo calculation...

Страница 26: ...ue of the sample End volume Determination time Volume drift for KFT and SET with conditioning Temperature Dispensed start volume Asymmetry pH pH calibration Electrode slope pH calibration Fix EP for D...

Страница 27: ...an be stored in the internal method memory or on the memory card These method memories are organized as follows Memory Card Memory Card Directory 7 Directory 6 Directory 5 Directory 4 Directory 3 Dire...

Страница 28: ...up to 8 characters store method method name Store method from the working memory to the current directory on the card up to 8 characters delete method method name Delete method from the current direc...

Страница 29: ...t for the silo memory Sample identification Can be used as specific calculation values Sample size Unit of sample size up to 8 ASCII characters 999 999 1 999 999 g mg ml ul pc no unit or up to 5 ASCII...

Страница 30: ...bit Stop bit Parity Handshake Receiving of commands via RS 300 600 1200 2400 4800 9600 7 8 1 2 none odd even HWs HWf SWchar SWline none ON OFF common variables Common variables C30 C39 prep dosing el...

Страница 31: ...ry 25 Printing 9 Methods Backup 8 Development 3 Recalling 8 Storing 7 Modes 12ff Selection 3 Survey 12 Operands 4 24 Parameters 14ff pH Stat 17 Printing 5 Recall methods 8 Report 5 Definitions 23 Resu...

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