Edu-Chem offers several popular types of UV-VIS-NIR spectrophotometer cells. Samples to be measured for absorbance or transmission are held in cells for all common spectrophotometers. Cells comply with international standards and are compatible with many brands of spectrophotometers. Materials Edu-Chem carries cells with different types of glass depending on the spectral range required for analysis. These materials include Optical Glass, suitable for use from 334nm through 2300nm and UV grade Quartz (Spectrosil™ ) suitable for use between 179nm and 2600nm. The table below contains % transmission for these materials: Material Code Application % Transmission Matching Tolerance Optical Glass G VIS > 80% @ 365nm Within 0.5% @ 360 nm Spectrosil™ Quartz Q UV-VIS > 80% @ 200nm Within 1.5% @ 240nm Spectrosil™ Quartz I UV-VIS-NIR > 80% @ 200nm Within 1.5% @ 240nm

Types of Cells   Edu-Chem offers the following types of cells: Type 1 Standard Rectangular Type 34 Cylindrical Cell with Two Stoppers Type Description 1 Standard Rectangular 1GS Rectangular with Graded Seal 3 Fluorimeter Rectangular 9 Semi-Micro Rectangular 21 Standard Rectangular with Stopper 23 Fluorimeter Rectangular with Stopper 32 Cylindrical Cell One Stopper 34 Cylindrical Cell Two Stoppers 37 Long Outlet Cylindrical

Popular Part Numbers Ref. P/N Application Description Glass Type Path Length Capacity 1-G-10 VIS Type 1 w/lid Optical Glass 10mm 3.5ml 1-G-50 VIS Type 1 w/lid Optical Glass 50mm 17.5ml 1-Q-10 UV-VIS Type 1 w/lid Spectrosil 10mm 3.5ml 1-I-5 UV-VIS-NIR Type 1 w/lid Spectrosil 5mm 0.4ml 1-I-10 UV-VIS-NIR Type 1 w/lid Spectrosil 10mm 3.5ml 3-G-5 VIS Type 3 w/lid Optical Glass 5mm 1.7ml 3-G-10 VIS Type 3 w/lid Optical Glass 10mm 3.5ml 21-I-10 UV-VIS-NIR Type 21 w/stopper Spectrosil 10mm 3.5ml 34-I-50 UV-VIS-NIR Type 34 w/stoppers Spectrosil 50mm 14.1ml 34-G-100 VIS Type 34 w/stoppers Optical Glass 100mm 28.2ml

Other Part Numbers Available Ref. P/N Application Description Glass Type Path Length Capacity 1-G-1 VIS Type 1 w/lid Optical Glass 1mm 0.4ml 1-Q-1 UV-VIS Type 1 w/lid Spectrosil 1mm 0.4ml 1-G-2 VIS Type 1 w/lid Optical Glass 2mm 0.7ml 1-Q-2 UV-VIS Type 1 w/lid Spectrosil 2mm 0.7ml 1-G-5 VIS Type 1 w/lid Optical Glass 5mm 1.7ml 1-Q-5 UV-VIS Type 1 w/lid Spectrosil 5mm 1.7ml 1-I-5 UV-VIS-NIR Type 1 w/lid Spectrosil 5mm 1.7ml 1-G-10 VIS Type 1 w/lid Optical Glass 10mm 3.5ml 1-Q-10 UV-VIS Type 1 w/lid Spectrosil 10mm 3.5ml 1-I-10 UV-VIS-NIR Type 1 w/lid Spectrosil 10mm 3.5ml 1-G-20 VIS Type 1 w/lid Optical Glass 20mm 7.0ml 1-Q-20 UV-VIS Type 1 w/lid Spectrosil 20mm 7.0ml 1-G-40 VIS Type 1 w/lid Optical Glass 40mm 14.0ml 1-Q-40 UV-VIS Type 1 w/lid Spectrosil 20mm 14.0ml 1-I-40 UV-VIS-NIR Type 1 w/lid Spectrosil 40mm 14.0ml 1-G-50 VIS Type 1 w/lid Optical Glass 50mm 17.5ml 1-Q-50 UV-VIS Type 1 w/lid Spectrosil 50mm 17.5ml 1GS-I-10 UV-VIS-NIR Type 1GS Spectrosil 10mm 3.5ml 3-G-5 VIS Type 3 w/lid Optical Glass 5mm 1.7ml 3-I-5 UV-VIS-NIR Type 3 w/lid Spectrosil 5mm 1.7ml 3-G-10 VIS Type 3 w/lid Optical Glass 10mm 3.5ml 3-Q-10 UV-VIS Type 3 w/lid Spectrosil 10mm 3.5ml 3-Q-20 UV-VIS Type 3 w/lid Spectrosil 20mm 7.0ml 3-I-20 UV-VIS-NIR Type 3 w/lid Spectrosil 20mm 7.0ml 9-G-10 VIS Type 9 w/lid Optical Glass 10mm 1.4ml 9-I-10 UV-VIS-NIR Type 9 w/lid Spectrosil 10mm 1.4ml 21-G-10 VIS Type 21 w/stopper Optical Glass 10mm 3.5ml 21-Q-10 UV-VIS Type 21 w/stopper Spectrosil 10mm 3.5ml 23-I-10 UV-VIS-NIR Type 23 w/stopper Spectrosil 10mm 3.5ml 32-G-20 VIS Type 32 w/stopper Optical Glass 20mm 5.6ml 34-G-50 VIS Type 34 w/stoppers Optical Glass 50mm 14.1 34-I-50 UV-VIS-NIR Type 34 w/stoppers Spectrosil 50mm 14.1 34-G-100 VIS Type 34 w/stoppers Optical Glass 100mm 28.2 34-Q-100 UV-VIS Type 34 w/stoppers Spectrosil 100mm 28.2 34-I-100 UV-VIS-NIR Type 34 w/stoppers Spectrosil 100mm 28.2 37-G-1 VIS Type 37 Optical Glass 1mm 0.28ml 37-I-1 UV-VIS-NIR Type 37 Spectrosil 1mm 0.28ml 37-G-2 VIS Type 37 Optical Glass 2mm 0.56ml 37-I-2 UV-VIS-NIR Type 37 Spectrosil 2mm 0.56ml 37-G-5 VIS Type 37 Optical Glass 5mm 1.4ml 37-Q-5 UV-VIS Type 37 Spectrosil 5mm 1.4ml 37-I-10 UV-VIS-NIR Type 37 Spectrosil 10mm 2.8ml