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2I-10800-10

14

Figure 6-2: Cutaway front view of Quest ATR Accessory showing the Synopti-

Focal arrangement of mirror components

6.3. Alignment Procedure

The alignment procedure consists of adjusting mirrors M1, M3 and

mirrors, optimizing first

rotation

then

tilt

.

Note:

The mirrors M2,

and

M5 do not require adjustment. A cover

has been placed over the rotation adjustment screw for mirror M2
to prevent adjustment.

M5

M4

M6

M3

M1

M2

ATR Puck

S

D

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Содержание GS10800

Страница 1: ...2I 10800 10 The Quest Single Reflection ATR Accessory User Manual...

Страница 2: ...rmation which needs to be followed for the safe operation of this accessory Caution Hot Surface where used indicates the product contains heated surfaces which need to be taken into consideration whil...

Страница 3: ...2I 10800 10 3 Quest Heated Puck User Manual...

Страница 4: ...ATR OPTICAL UNIT 18 8 QUEST ATR CLAMP ARM AND ANVILS 20 8 1 Clamp Arm Assembly 20 8 2 Choice of Anvils 21 9 SAMPLING USING THE QUEST ATR ACCESSORY 22 9 1 Background Acquisition 22 9 2 Solid Sampling...

Страница 5: ...optics in an optical unit fitted with interchangeable ATR puck assemblies choice of diamond ZnSe Ge or Si The ATR crystal is mounted in either a Standard flat Liquid or Heated Puck Assembly For solid...

Страница 6: ...odized aluminum Viton O ring in the volatiles cover For Arrow only polypropylene slide thermoelastic seal SBS SEBS anodized aluminum puck Safety data sheets SDS are available in the product support se...

Страница 7: ...N GS10825 1 x Ball driver 3 0 mm for optical unit cover plate removal 1 x Ball driver 2 5 mm for mirror adjustment in optical unit 1 x Benchmark baseplate for your FTIR spectrometer 1 x USB manual Alo...

Страница 8: ...or rotation Figure 6 3 10 Cap head screw for M3 mirror tilt Figure 6 3 11 Grub screw for M1 mirror rotation Figure 6 3 12 Cap head screw for M1 mirror tilt Figure 6 3 13 Aperture port on optical unit...

Страница 9: ...for location fixing and a fourth to the rear for support only The thumb screw 1 at the front of the Quest ATR optical unit screws into the front central pillar while the outer studded pair locate in...

Страница 10: ...ATR Flat and Liquid puck assemblies are shown in Figure 5 2 and Figure 5 3 Figure 5 2 Top view of Quest ATR Diamond Crystal puck Standard left and Liquids right Puck Assembly Figure 5 3 Underside view...

Страница 11: ...fixings will be identifiable and will invalidate any warranty for the puck assembly 5 2 2 Fitting the Puck Assembly to the Quest Install the puck assembly onto the Quest by lining up the alignment not...

Страница 12: ...tup your spectrometer to monitor the energy throughput The precise method of doing this will vary depending on your spectrometer and software Please refer to your spectrometer manual for further infor...

Страница 13: ...side S to detector side D S M1 M2 M3 M4 ATR Crystal M5 M6 D A left to right beam direction spectrometer inverts the order of the mirrors between the source and detector The mirrors M1 M2 M3 and M6 are...

Страница 14: ...ents 6 3 Alignment Procedure The alignment procedure consists of adjusting mirrors M1 M3 and M6 mirrors optimizing first rotation then tilt Note The mirrors M2 M4 and M5 do not require adjustment A co...

Страница 15: ...11 Carefully adjust each mirror one at a time maximizing the energy signal as far as possible before moving onto the next mirror 2 Again using the 2 5 mm ball driver carefully adjust the tilt alignme...

Страница 16: ...is made during the alignment procedure and no signal from the detector can be obtained then it may be possible to recover the situation by making a rough visual alignment of the mirror optics M1 M3 a...

Страница 17: ...compartment and the puck fitted back on top of the optical unit 7 Set up your IR spectrometer to monitor the energy throughput If there is still no signal after the procedural steps above have been c...

Страница 18: ...gas from a cylinder or from a purge gas generator To fit a purge line remove the front cover plate 5 push your tube through the purging port 14 and secure in place using the curved grips 15 as shown i...

Страница 19: ...The purge bellows 16 are installed by a push fit to the aperture ports 13 of the Quest If the gap distance between the optical unit and bulkhead is small the purge bellows can be cut to size for a be...

Страница 20: ...on Figure 8 1 Clamp Arm Assembly with Flat Anvil in Sampling Position 8 1 1 Torque Limiter To apply a load to the sample it should be placed onto the crystal with the anvil positioned directly over it...

Страница 21: ...ples The pellet anvil Figure 8 2 right has a concave recessed surface head designed to take round shaped samples such as polymer beads Figure 8 2 Flat left and Pellet right anvils Both anvils have a t...

Страница 22: ...ocedure must NOT be used with the Arrow system Applying a load will break the ATR wafer which could result in your sample entering the Quest optics and damaging your Quest 1 If required collect a back...

Страница 23: ...lat anvil Fibre Samples Flat Anvil Lay the fibre s centrally across the ATR crystal surface If necessary the ends of the fibre can be taped down to hold them in position before applying a load from th...

Страница 24: ...i pucks as these crystal materials are not as resilient as diamond Scratches and blemishes to the ATR crystal surface will result in poor light throughput for the ATR technique and an overall degradat...

Страница 25: ...k options More aggressive solvents and abrasive cleaners could be considered for use to remove the sample if necessary Warning Aggressive cleaning procedures suitable for diamond will very likely caus...

Страница 26: ...en they are volatile The volatiles cover is a flat circular plate with an O ring on the underside for sealing and a location groove on the top See Figure 10 1 To use place your sample onto the ATR cry...

Страница 27: ...of the Luer port connections and then sealed using PTFE caps in the Luer port connections 10 3 The Specular Reflectance Puck Flat surface films can be measured by the specular reflectance technique A...

Страница 28: ...2I 10800 10 28 Figure 10 4 Quest Specular Reflectance Puck and Reference Mirror 23 24...

Страница 29: ...sembly and Benchmark baseplate GS10805 Quest ATR Requires a Puck Assembly for use Puck Assemblies ATR Crystal Pucks Puck Type Crystal Standard Flat Liquid Heated Diamond GS10810 GS10860 N A Diamond Ex...

Страница 30: ...flectance Puck GS10820 Quest ATR Self Levelling Flat Anvil GS10821 Quest ATR Pellet Anvil GS10822 Quest ATR Luer lock liquids anvil GS10825 Quest ATR Volatiles Cover GS10503 Quest ATR Heated Puck Vola...

Страница 31: ...ted 10 000 10 Extended 8000 33 absorbs between 1350 500 Refractive Index at 1000 cm 1 2 43 4 0 2 40 3 42 Depth of Penetration For Sample Refractive index 1 5 1000 cm 1 2 0 m 0 7 m 2 0 m 0 9 m ATR Crys...

Страница 32: ...n the rear of your Quest accessory Puck assemblies have their own unique serial number which can be found on the underside of the puck It is advisable to make a note of these numbers for future refere...

Страница 33: ...eng co jp Website www systems eng co jp Spain Teknokroma S Coop C Ltda Barcelona Tel 93 674 8800 Fax 93 675 2405 email comercial teknokroma es Switzerland Portmann InstrumentsAG Biel Benken Tel 061 7...

Страница 34: ...pecac com SPECAC INC 414 Commerce Drive Suite 175 Fort Washington PA 19034 USA Tel 215 793 4044 Fax 215 793 4011 SPECAC LTD Science and Innovation Centre Halo Business Park Cray Avenue Orpington Kent...

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