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Metrohm 2.870.0010, Установка и руководство пользователя

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Metrohm 2.870.0010 Скачать руководство пользователя страница 40

3.2 Carrying out titrations

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭

34

￭￭￭￭￭￭￭￭

870 KF Titrino plus

3.2.5 

Determining the water content of a sample

You can use either the working medium from the previous titer determi-
nation or fresh methanol.

 

1 Start conditioning

￭

Press 

[START]

.

Conditioning starts. 

Conditioning not OK

 is displayed until the

endpoint is reached.

In the function bar, the 

Stirrer

 function is selected. The parameters

dialog of the stirrer is opened by pressing 

[OK]

.

The stirring rate can be reduced with 

Stir-

 and increased with 

Stir+

.

off

 switches the stirrer off. If the stirrer is switched off, then this text

switches to 

on

. This can be used to switch the stirrer back on. This

dialog is exited with 

[BACK]

.

The working medium is titrated to the endpoint. This is indicated by

Conditioning OK

. The status is kept stable.

Содержание 2.870.0010

Страница 1: ...870 KF Titrino plus Installation and tutorial 8 870 8004EN...

Страница 2: ......

Страница 3: ...Metrohm AG CH 9101 Herisau Switzerland Phone 41 71 353 85 85 Fax 41 71 353 89 01 info metrohm com www metrohm com 870 KF Titrino plus Installation and tutorial 8 870 8004EN 11 2010 jb dm...

Страница 4: ...gh all the information given in this documentation has been checked with great care errors cannot be entirely excluded Should you notice any mistakes please send us your comments using the address giv...

Страница 5: ...tle 9 2 4 Connecting the pump 12 2 5 Setting up tubings and tips 13 3 Tutorial 15 3 1 Configuration 15 3 1 1 Switching the instrument on and off 15 3 1 2 Setting the dialog language 16 3 1 3 Adding an...

Страница 6: ......

Страница 7: ...sample as an example 1 2 Further information You will find general information about about Karl Fischer titration on the corresponding Metrohm CD Additional information concerning the 870 KF Titrino...

Страница 8: ...2 1 Setting up and connecting the instrument 2 870 KF Titrino plus 2 Installation 2 1 Setting up and connecting the instrument 870 KF Titrino plus and the 803 Ti Stand...

Страница 9: ...four screws tightly to the bottom of the instrument 2 Guide the support rod 6 2016 070 from above into the titration stand and slide all the way down to the bottom 3 Screw the stand plate with the he...

Страница 10: ...age media or similar that are equipped with a USB interface 6 2151 100 A printer can be connected directly to the adapter with a connecting cable 6 2151 020 as can a USB keyboard or a USB storage medi...

Страница 11: ...Titrino plus by means of a USB hub or an adapter 6 2151 100 see preceding section Connect the 9 pin plug of the respective balance connecting cable to the RS 232 1 connector Consult the user manual f...

Страница 12: ...the locking lever pressed down until it can be released at the desired position 3 Fasten the titration vessel 6 1415 220 or 6 1415 250 with a stirring bar 6 1903 020 or 6 1903 030 inside on the vesse...

Страница 13: ...r Filling the drying and adsorber tube The drying tube 6 1403 040 and the adsorber tube 6 1609 010 must be filled with molecular sieve 6 2811 000 prior to mounting Proceed as fol lows 6 1403 040 6 160...

Страница 14: ...f the electrode and of the drying tube into the middle openings of the vessel lid 3 Screw the two screw nipples 6 2730 010 into the openings with the O rings Do not screw them in too tightly 4 Introdu...

Страница 15: ...iagram gives you an overview of the mode of operation of the 803 Ti Stand 1 2 3 4 A B 1 Air will be pumped into the solvent bottle on the left for as long as the left hand key A is kept pressed down 2...

Страница 16: ...M6 connector smallest opening of a bottle top 6 1602 105 and screw it tightly 2 Insert the long PTFE cannula 6 1819 030 into the M8 connector sec ond smallest opening of the bottle top 3 Insert a PTFE...

Страница 17: ...e sealed against leaks Metrohm offers suitable thread adapters for bottles with other threads than GL 45 6 1801 120 6 1805 200 6 1446 040 6 1808 050 6 1446 090 6 1819 050 6 1602 105 6 1623 000 6 1608...

Страница 18: ...6 1819 050 into the opening of the stop per 8 Insert a PTFE tubing 6 1805 200 with M8 connector into the opening of the stopper and screw it tightly 2 4 Connecting the pump Connecting tubings to the...

Страница 19: ...lvent bottle amber glass 3 Insert the dosing tip through the stopper in the middle rear opening of the vessel lid 4 Screw the aspiration tip 6 1543 120 onto the M8 PTFE tubing of the aspiration bottle...

Страница 20: ...t onto the 870 KF Titrino plus and push all the way to the rear It must snap in audibly Inserting the titration tip 1 1 Insert the titration tip of the exchange unit into the remaining open ing at the...

Страница 21: ...he instrument Proceed as follows 1 Press the red STOP key As soon as the buret unit has been recognized the following mes sage appears Confirm the message with OK The request to carry out the PREP fun...

Страница 22: ...hanged Proceed as follows 1 Open the system settings In the main dialog select Menu and press OK In the main menu select System and press OK In the system menu select Settings and press OK 2 Change th...

Страница 23: ...item Solutions and confirm with OK The list of the configured solutions is displayed The new solution has been entered into the list but it does not have a name yet The asterisk on the right hand side...

Страница 24: ...n the text line deletes the character on the left of the cursor and move the cursor one character to the left or right With Clear the entire text is deleted with Cancel the text editor is closed with...

Страница 25: ...define whether the results are to be put out as PC LIMS reports You have the possibility to save them on a USB stick and to read them into tiBase afterwards The reports can also directly be sent to th...

Страница 26: ...og PC LIMS report opens Select USB Stick and apply with BACK Sending PC LIMS reports directly to a PC If you directly send the PC LIMS reports to a PC and import them into tiBase you have to configure...

Страница 27: ...n firm with OK The printer list opens Select the printer type and apply with BACK The new printer is entered in the dialog External devices Selecting a balance The sample size can directly be read in...

Страница 28: ...itch you to the main dialog 3 2 Carrying out titrations 3 2 1 Creating a method for titer determination Below you will find a description of how to create your own method for titer determination The 8...

Страница 29: ...ion bar select the Load function and confirm with OK The method template Titer Ipol is now loaded and is displayed in the main dialog under Method 2 Select a solution In the main dialog select Menu an...

Страница 30: ...ialog with OK The calculation formula is defined for every method template and cannot be modified Select the parameter Factor FCT and open the editing dialog with OK Enter the water content of the wat...

Страница 31: ...ith step 6 if you do not have a printer connected 5 Select the reports With BACK switch to the parameters dialog The arrow at the lower right edge of the screen indicates that the dialog contains more...

Страница 32: ...unit The PREP function is used to rinse the cylinder and tubings of the buret unit and fill them bubble free You should carry out this function before the first determination or once per day Proceed...

Страница 33: ...e g methanol Press START Conditioning starts Conditioning not OK is displayed until the endpoint is reached In the function bar the Stirrer function is selected The parameters dialog of the stirrer is...

Страница 34: ...ume will result Press START Conditioning is stopped The request for adding the water stand ard will be displayed for 8 s The water standard should be injected during this time Inject the water standar...

Страница 35: ...ermination select the function Statistics in the function bar and confirm with OK The statistical overview is shown The mean value Mean the absolute and the relative standard deviation s abs and s rel...

Страница 36: ...t determination The 870 KF Titrino plus contains method templates which are already configured except for a few parameters The water content of a sample should be determined by means of a triple deter...

Страница 37: ...m Parameters and confirm with OK The parameters dialog opens Select the menu item Titration parameters and confirm with OK Select the parameter Solution and confirm with OK The list of the configured...

Страница 38: ...and the unit of the sample size in the table and make a note to yourself of the factor and divisor con tained in this line Close the table with BACK Enter the values for Factor FCT and Divisor DIV acc...

Страница 39: ...y With the arrow key select the menu item Reports and open the corresponding dialog with OK The list of available reports is displayed Select the parameter Results and confirm with OK Select on and co...

Страница 40: ...the endpoint is reached In the function bar the Stirrer function is selected The parameters dialog of the stirrer is opened by pressing OK The stirring rate can be reduced with Stir and increased wit...

Страница 41: ...is applies as well if you transfer the sample size from a balance By default the automatic request of the sample size at the start of the determination is activated Now enter information about the sam...

Страница 42: ...ward the request for the sample size appears 4 Enter the sample size Open the editing dialog with OK Enter the sample size and apply with Accept or BACK 5 Start the titration Press START The titration...

Страница 43: ...erview For the mean value the number of individual results from which it has been calculated is displayed In this example it is 3 Statistics shows how many determinations have already been carried out...

Страница 44: ...3 2 Carrying out titrations 38 870 KF Titrino plus 8 Cancel the conditioning Press STOP Conditioning is canceled and the dosing cylinder is filled...

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