CELL OPTICGLASS 40MM . ,Case of 4

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Here is the corrected text: Obtain accurate, dependable results with these economical alternatives for spectrophotometric analyses in the visible and near-infrared regions. The fully heat-fused construction (with no intermediate materials or adhesives) and careful annealing to remove any strain ensure that there is no optical or physical distortion of the two optical windows. Matched cells fall within the accepted pathlength standard of ±0.01 mm. Cells exhibit a transmission tolerance within 0.5% at 365 nm. Lids and stoppers are made of polytetrafluoroethylene (PTFE). Matched sets are available, featuring fully heat-fused construction. Items 414004-066 and 414004-067 are sold in matched sets of two and four cells, respectively. **Standard Rectangular, Cat. No.: 414004-067** Cover type: Flat lid Pathlength: 10 mm External dimensions: W × L × H = 12.5 × 12.5 × 45 mm Internal dimensions: W × L = 10 × 10 mm Wavelength: 334 – 2500 nm Volume: 3.5 ml **Standard Rectangular, Cat. No.: 414004-066** Cover type: Flat lid Pathlength: 10 mm External dimensions: W × L × H = 12.5 × 12.5 × 45 mm Internal dimensions: W × L = 10 × 10 mm Wavelength: 334 – 2500 nm Volume: 14.1 ml **Cylindrical, Long Path, Cat. No.: 414004-077** Cover type: 2 stoppers Pathlength: 50 mm External dimensions: L × Ø = 52.5 × 22 mm Internal dimensions: W × L = 19 × 50 mm Wavelength: 320 – 2500 nm Volume: 14 ml **Standard Rectangular, Cat. No.: 414004-075** Cover type: Flat lid Pathlength: 40 mm External dimensions: W × L × H = 12.5 × 42.5 × 45 mm Internal dimensions: W × L = 10 × 40 mm Wavelength: 334 – 2500 nm