Quartz 10mm Stoppered Fluorescence Cuvette, 3.5ml, Sintered 83, Four-Way Light, PTFE Stopper, 1pc/ea, C104SR24
Description
The C104SR24 is a quartz stoppered fluorescence cuvette with 10 mm path length and four-way light optical configuration — all four vertical faces are polished to optical grade, providing the standard 90° fluorescence geometry plus additional optical access. With a standard 3.5 ml internal volume (10 × 10 × 43 mm chamber), the cell is compatible with most commercial spectrophotometers and fluorimeters. Fabricated using Sintered 83 (>83% transmittance) — quartz panels are thermally fused at approximately 600 °C, producing joints free of organic adhesive. The PTFE stopper seals the cuvette opening, preventing evaporation of volatile samples and protecting air-sensitive or hygroscopic solutions during measurement.
| Technical Specifications — Stoppered Cuvette | |||
|---|---|---|---|
| Material | Quartz (Fused Silica) | SKU | C104SR24 |
| Path Length | 10 mm | Internal Volume | 3.5 ml |
| Optical Windows | 4 (Four-Way Light) | Fabrication | Sintered 83 |
| Transmittance | >83% | Wavelength | 190–2500 nm |
| Exterior Dimensions | 12.5 × 12.5 × 45 mm | Interior Dimensions | 10 × 10 × 43 mm |
| Closure | PTFE Stopper | Package | 1pc/ea |
Fluorescence & Spectroscopy Applications
Why Four-Way Light?
The four-way configuration polishes all four vertical faces to optical grade — the standard geometry for fluorescence spectroscopy. The excitation beam enters through one face and emission is collected at 90° through an adjacent face, minimizing excitation light contamination in the emission signal. The additional two polished faces allow the cuvette to be rotated for alternative measurement geometries or simultaneous absorbance monitoring during fluorescence experiments.
PTFE Stopper
The PTFE stopper creates an airtight seal over the cuvette opening, preventing solvent evaporation during extended measurements and protecting air-sensitive or hygroscopic samples from atmospheric exposure. PTFE is chemically inert to virtually all laboratory solvents and contributes no background absorbance or fluorescence, ensuring clean spectra. The stopper fits snugly by friction and can be removed and replaced one-handed for rapid sample exchange. Ideal for volatile solvents, long kinetic runs, and any application where maintaining sample concentration and composition is critical.
Why Sintered 83 Construction?
Sintered 83 cuvettes are assembled by thermally fusing precision quartz panels at approximately 600 °C, eliminating organic adhesive from the joints. The resulting cuvette is compatible with strong acids, bases, and most organic solvents (excluding HF and aggressive organics such as toluene and acetone). With transmittance >83%, optical performance surpasses adhesive-bonded alternatives. Sintered construction is the preferred choice when solvent resistance is required but the higher cost of fully molded cuvettes is not justified.
Additional information
| Weight | 30 g |
|---|---|
| Dimensions | 1.25 × 1.25 × 4.5 mm |
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