QUANG PH K HNG NGOIBIN I FOURRIER ATR Attenuated Total Reflection Sample Prism Infrared beam Sample QUANG PH K HNG NGOI BIN I FOURRIER ATR Attenuated Total Reflection 73 Multi-reflecti
Trang 1QUANG PH
QUANG PH HNG NGOI
Near Infrared: particle and composition analysis
Middle Infrared: primarily used in compound characterization
25Pm 䠄400cm -1 䠅
50 P m 䠄200cm -1 䠅
3
Trang 2Thermal Imaging (Thermography)
Trang 3QUANG PH HNG NGOI
C S LÝ THUYT
7
Trang 4C S LÝ THUYT
• hQ 10 4 nm Infrared Bond Vibrations
• hQ 200 nm Ultraviolet Electronic Excitation
Trang 5Symmetrical Asymmetrical Scissoring
11
Trang 6C S LÝ THUYT
13
Trang 7C S LÝ THUYT
C S LÝ THUYT
15
Trang 9n-hexane
2-methylbutane (isopentane)
Trang 102,3- dimethylbutane
cyclohexane
no 1375 cm -1
no –CH 3
Trang 12910-920 & 990-1000
2-methyl-1-butene
880-900
Trang 14690-710, 730-770
mono-1500 & 1600 Benzene ring
Trang 19tert-butyl alcohol
Trang 20Aldehydes: 2 dao ng liên kt C-H 2700 và 2800 cm-1
C=O liên h p vi C=C: ~1680 cm-1
-1 -1
41
C S LÝ THUYT
CARBONYLS
Trang 23Mi O-H rng vi mi bè tròn.
Amin bc 2 (R2NH), mi rng vi broad mt nh nhn
Amin bc 1 (RNH2), mi rng vi hai nh nhn
Amin bc 3: không có tín hiu hp thu cho N-H
Trang 25 Ph IR có các mi hp h n ph UV
Trang 27j- stop
QUANG PH K HNG NGOI
BIN I FOURRIER
55
Trang 28Single beam spectrum of air
Trang 30 “Neat” (phân tích mu l ng tinh khit)
BIN I FOURRIER
Phân tích m$u “Neat”
61
Trang 32 S d"ng bt khan KBr, KI, CsI
Trang 33㻾㼑㼒㼞㼍㼏㼠㼕㼢㼑㻌 㼕㼚㼐㼑㼤
㻭㼝㼡㼑㼛㼡㼟㻌 㼟㼛㼘㼡㼠㼕㼛㼚
㻑㻌 㼠㼞㼍㼚㼟㼙㼕㼟㼟㼕㼛㼚
Trang 35QUANG PH K HNG NGOI
BIN I FOURRIER
ATR (Attenuated Total Reflection)
BIN I FOURRIER
ATR (Attenuated Total Reflection)
2 ( n / n ) sin
2
dp
T S
O
Penetration Depth (dp) : Ĭ: Incident Angle
n 2 : Refractive Index of sample Ȝ: Wavelength
Sample Prism
dp
Zoom
Trang 36QUANG PH K HNG NGOI
BIN I FOURRIER
ATR (Attenuated Total Reflection)
Sample
Prism
Infrared beam Sample
QUANG PH K HNG NGOI
BIN I FOURRIER
ATR (Attenuated Total Reflection)
73
Multi-reflection ATR
1) ATR-8000A
Solid sample (Film, Plastic, Rubber, Coating)
The incident angle can be selected form 30㼻, 45㼻, or 60㼻
2) ATR-8200HA
Liquid and Solid sample.
Single Reflection ATR
Trang 37QUANG PH K HNG NGOI
BIN I FOURRIER
ATR (Attenuated Total Reflection)
BIN I FOURRIER
ATR (Attenuated Total Reflection)
75
㻠㻡㻜 㻢㻜㻜 㻣㻡㻜 㻥㻜㻜 㻝㻜㻡㻜 㻝㻞㻜㻜 㻝㻟㻡㻜 㻝㻡㻜㻜 㻝㻢㻡㻜 㻝㻤㻜㻜 㻝㻥㻡㻜 㻞㻠㻜㻜 㻞㻣㻜㻜 㻟㻜㻜㻜 㻟㻟㻜㻜 㻟㻢㻜㻜 㻟㻥㻜㻜
㻝㻛㼏㼙 㻜
Trang 38QUANG PH K HNG NGOI
BIN I FOURRIER
ATR (Attenuated Total Reflection)
ZnSe Acid (less then pH 5), strong alkaline (more than pH 9)
KRS-5 *)
acetone ammonium salt solution sulfuric acid
ammonia EDTA
A solution of a compound that reacts with thallium to form a Complex
Ge Hot concentrated sulfuric acid
-*) Consist of TlBr and TlI
QUANG PH K HNG NGOI
BIN I FOURRIER
ATR (Attenuated Total Reflection)
77
ATR-8200HA
Trang 39QUANG PH K HNG NGOI
BIN I FOURRIER
ATR (Attenuated Total Reflection)
㻜㻚㻜 㻜㻚㻜㻜㻡 㻜㻚㻜㻝
㻜㻚㻜㻝㻡 㻭㻮㻿
㻝㻜㻜㻜㻚㻜 㻝㻡㻜㻜㻚㻜
㻞㻜㻜㻜㻚㻜 㻟㻜㻜㻜㻚㻜
㻠㻜㻜㻜㻚㻜
㻝㻛㼏㼙 㼙㼍㼠㼑㼞㼕㼍㼘㻌㼛㼚㻌㼜㼞㼕㼟㼙㻌㻌㻰㼕㼍㼙㼛㼚㼐㻙㻭㼀㻾
㻜㻚㻜 㻜㻚㻜㻞㻡 㻜㻚㻜㻡
㻜㻚㻜㻣㻡 㻭㻮㻿
㻝㻜㻜㻜㻚㻜 㻝㻡㻜㻜㻚㻜
㻞㻜㻜㻜㻚㻜 㻟㻜㻜㻜㻚㻜
㻠㻜㻜㻜㻚㻜
㻝㻛㼏㼙 㻴㼍㼕㼞㻌㻌㻰㼕㼍㼙㼛㼚㼐㻙㻭㼀㻾
Single Hair with Hair Spray
Untreated Hair
Single Hair on Diamond Prism
DuraSamplIRϩ
QUANG PH K HNG NGOI
BIN I FOURRIER
ATR (Attenuated Total Reflection)
㻠㻜㻜㻜㻚㻜
㻝㻛㼏㼙 㻜㻚㻜㻡
㻜㻚㻝
㻜㻚㻝㻡
㻭㻮㻿
㻝㻜㻜㻜㻚㻜 㻞㻜㻜㻜㻚㻜
㻠㻜㻜㻜㻚㻜
㻝㻛㼏㼙 㻜㻚㻞㻡
㻜㻚㻡
㻭㻮㻿
㻝㻜㻜㻜㻚㻜 㻞㻜㻜㻜㻚㻜
Trang 40㻤㻜㻜 㻝㻜㻜㻜 㻝㻞㻜㻜 㻝㻠㻜㻜 㻝㻢㻜㻜 㻝㻤㻜㻜 㻞㻜㻜㻜 㻞㻠㻜㻜 㻞㻤㻜㻜 㻟㻞㻜㻜 㻟㻢㻜㻜 㻠㻜㻜㻜
㻝㻛㼏㼙 㻥㻣
㻥㻣㻚㻡 㻥㻤 㻥㻤㻚㻡 㻥㻥 㻥㻥㻚㻡
㻝㻜㻜 㻑㼀
㻿㼡㼎㼠㼞㼍㼏㼠㼑㼐㻌㼟㼜㼑㼏㼠㼞㼡㼙㻌㼎㼑㼠㼣㼑㼑㼚㻌㻹㼕㼘㼗㻌㼍㼚㼐㻌㼃㼍㼠㼑㼞
QUANG PH K HNG NGOI
BIN I FOURRIER
ATR (Attenuated Total Reflection)
㻟㻞㻜㻜
㻟㻢㻜㻜
㻠㻜㻜㻜
㻝㻛㼏㼙 㻑㼀
㻹㼕㼘㼗
Spectra of water and milk
QUANG PH K HNG NGOI
BIN I FOURRIER
ATR (Attenuated Total Reflection)
81
Vұt liӋu gói thӵc phҭm nhiӅu lӟp
㻤㻜㻜 㻝㻜㻜㻜 㻝㻞㻜㻜 㻝㻠㻜㻜 㻝㻢㻜㻜 㻝㻤㻜㻜 㻞㻜㻜㻜 㻞㻠㻜㻜 㻞㻤㻜㻜 㻟㻞㻜㻜 㻟㻢㻜㻜 㻠㻜㻜㻜
㻝㻛㼏㼙 㻑㼀
㻮 㼍 㼏㼗
PE
PET
Trang 41QUANG PH K HNG NGOI
BIN I FOURRIER
ATR (Attenuated Total Reflection)
㻤㻜㻜 㻝㻜㻜㻜 㻝㻞㻜㻜
㻝㻠㻜㻜 㻝㻢㻜㻜
㻝㻤㻜㻜 㻞㻜㻜㻜
㻞㻠㻜㻜 㻞㻤㻜㻜 㻟㻞㻜㻜 㻟㻢㻜㻜
BIN I FOURRIER
Phn x (Specular Reflectance method)
83
o c hai dng mu:
9 Nh a bóng (glossy flat plastic).
9 Phim mng ph! trên kim loi (thin film on metal plate).
Sample
Trang 42QUANG PH K HNG NGOI
BIN I FOURRIER
Phn x (Specular Reflectance method)
Film Metal plate
a
b Infrared beam
a << b b 0.1䡚20䃛m
BIN I FOURRIER
Phn x (Specular Reflectance method)
㻝㻛㼏㼙 䜰䜽䝸䝹ᯈ䚷ṇᑕἲ
㻝㻛㼏㼙 㻭㻯㻾㻝㻚㻵㻾㻿㻌䛛䜙䛾㻷㻷ኚ྾ගᗘ䝇䝨䜽䝖䝹㻔㔜㻌㻲㻲㼀㻌ἲ㻕
BiӃn ÿәi Kramers-Kronig
polymethylmethacrylate
Trang 43QUANG PH K HNG NGOI
BIN I FOURRIER
Phn x khu ch tán (Diffuse Reflectance )
Dùng o mu bt: bӝt hӳu cѫ, xúc tác, gӕm sӭ (ceramic powder).
QUANG PH K HNG NGOI
BIN I FOURRIER
Phn x khu ch tán (Diffuse Reflectance )
Trang 44QUANG PH K HNG NGOI
BIN I FOURRIER
Phn x khu ch tán (Diffuse Reflectance )
㻝㻡㻜㻜㻚㻜 㻞㻜㻜㻜㻚㻜
㻟㻜㻜㻜㻚㻜 㻠㻜㻜㻜㻚㻜
㻝㻡㻜㻜㻚㻜 㻞㻜㻜㻜㻚㻜
㻟㻜㻜㻜㻚㻜 㻠㻜㻜㻜㻚㻜
㻝㻛㼏㼙
BiӃn ÿәi Kubelka-Munk
QUANG PH K HNG NGOI
BIN I FOURRIER
Phn x khu ch tán (Diffuse Reflectance )
89
Trang 45QUANG PH K HNG NGOI
BIN I FOURRIER
Phn x khu ch tán (Diffuse Reflectance )
Sebacic Acid Dialkyl Ester
Phthalic Acid Dialkyl Ester
(B)
(C)
Dual Channel GPC Chromatograms of Polyvinyl Chloride
QUANG PH K HNG NGOI
BIN I FOURRIER
H%p thu phn x (Reflection Absorption Spectroscopy)
91
Phim mng trên kim loi (thin film on metal).
Có th o c phim có b dày <1&m
ôi khi kt h p vi thit b phân c c ánh sáng (polarizer).
RAS-8000A
Trang 46QUANG PH K HNG NGOI
BIN I FOURRIER
H%p thu phn x (Reflection Absorption Spectroscopy)
Metal plate
Thin film 1㹼1000nm
70ࢎ㹼85ࢎ
(1) Vertical polarized light (2) Parallel polarized light
Incident beam Reflected beam
QUANG PH K HNG NGOI
BIN I FOURRIER
H%p thu phn x (Reflection Absorption Spectroscopy)
93
Lead Stearate
Trang 47 Kim tra nh tính thuc (vùng “vân tay”,
fingerprint)
Trang 48 *o glucose b;ng k? thut không xâm ln
QUANG PH K HNG NGOI
BIN I FOURRIER
'NG D*NG
... class="text_page_counter">Trang 27j- stop
QUANG PH K HNG NGOI
BIN I FOURRIER
55