Harrick Scientific為紅外ATR光譜學提供單通道梯形。SPT-ATR晶體有Si、Ge、ZnSe和ZnS等。
| MODEL NO. | TITLE | ||
|---|---|---|---|
| EJ2111 | SPT Plate Ge 45o 50 x 20 x 1 mm | ||
| EJ2117 | SPT Plate Ge 45o 10 x 5 x 1 mm | ||
| EJ2121 | SPT Plate Ge 45o 50 x 20 x 2 mm | ||
| EJ2122 | SPT Plate Ge 45o 50 x 10 x 2 mm | ||
| EJ2132 | SPT Plate Ge 45o 50 x 10 x 3 mm | ||
| EJ2211 | SPT Plate Ge 60o 50 x 20 x 1 mm | ||
| EJ2221 | SPT Plate Ge 60o 50 x 20 x 2 mm | ||
| HON-LSP-J | Ge Horizon Trough | ||
| HON-SSP-J | Ge Horizon Solid Sampling Plate | 
| MODEL NO. | TITLE | ||
|---|---|---|---|
| EE2111 | SPT Plate Si 45o 50 x 20 x 1 mm | ||
| EE2121 | SPT Plate Si 45o 50 x 20 x 2 mm | ||
| EE2122 | SPT Plate Si 45o 50 x 10 x 2 mm | ||
| EE2132 | SPT Plate Si 45o 50 x 10 x 3 mm | 
| MODEL NO. | TITLE | ||
|---|---|---|---|
| EI2111 | SPT Plate ZnS 45o 50 x 20 x 1 mm | ||
| EI2121 | SPT Plate ZnS 45o 50 x 20 x 2 mm | ||
| EI2122 | SPT Plate ZnS 45o 50 x 10 x 2 mm | 
| MODEL NO. | TITLE | ||
|---|---|---|---|
| EM2111 | SPT Plate ZnSe 45o 50 x 20 x 1 mm | ||
| EM2121 | SPT Plate ZnSe 45o 50 x 20 x 2 mm | ||
| EM2122 | SPT Plate ZnSe 45o 50 x 10 x 2 mm | ||
| EM2132 | SPT Plate ZnSe 45o 50 x 10 x 3 mm | ||
| EM2211 | SPT Plate ZnSe 60o 50 x 20 x 1 mm | ||
| EM2221 | SPT Plate ZnSe 60o 50 x 20 x 2 mm | ||
| EM2222 | SPT Plate ZnSe 60o 50 x 10 x 2 mm | ||
| HON-LSP-M | ZnSe Horizon Liquid Sampling Plate | ||
| HON-SSP-M | ZnSe Horizon Solid Sampling Plate | 
SPP-ATR板用紅外光學材料:
| N | KH
 (PSI)  | 
MOR*
 (PSI)  | 
USEFUL RANGE CM-1?(ΜM) | CHEMICAL PROPERTIES | ||
|---|---|---|---|---|---|---|
| WINDOWS
 1-2MM  | 
IRE
 70MM  | 
|||||
| Ge | 4.0 | 550 | 7000 | 5000-600
 (2.0-17)  | 
5000-900
 (2.0-11.4)  | 
Insoluble in water, soluble in hot H2SO4, aqua regia | 
| Si | 3.42 | 1150 | 9000 | 10,000-100
 (1.0-100)  | 
9500-1500; 350-FIR (1.06-6.7 30-FIR) | Insoluble in most acids and bases; soluble in HF and HNO3 | 
| ZnS | 2.22 | 355 | 10,000 | 22,000-750
 (0.45-14.0)  | 
14,000-1000
 (0.7-10)  | 
Soluble in acid; insoluble in water | 
| ZnSe | 2.42 | 150 | 8000 | 20,000-500
 (0.5-20)  | 
20,000-700
 (0.5-14.3)  | 
Soluble in strong acids; dissolves in HNO3 | 
| n: Refractive IndexKH: Knoop HardnessMOR: Rupture Modulus | ||||||
ATR板規格:

內反射(ATR)元件(IRE)的尺寸由其長度(l)、寬度(w)和厚度(t)給出。從入口孔徑中心到出口孔徑中心的IIR長度決定了反射的數量,N.。
N=(l/t)tanθ
如果l保持不變,則無需重新調整附件即可更換不同厚度的板。
注意,對于l=50 mm和θ=45°度,葉尖到葉尖的長度,l(t-t)=l+t。對于t=2,該長度為52 mm,對于t=1 mm,該長度為51 mm。
