Quartz 10mm Round-Bottom Fluorescence Flow Cuvette, 3.5ml, Molded 83, Four-Way Light, PTFE Valve, 1pc/ea, C104WE

Weight	30 g

SKU: C104WE

C104WE Quartz 10mm Four-Way Light Round-Bottom Fluorescence Flow Cuvette 3.5ml Molded 83

Original price was: $380.00.Current price is: $342.00.

In Stock

Quartz 10mm round-bottom fluorescence flow cuvette, 3.5ml, Molded 83 (>83% transmittance). Four-Way Light. PTFE Valve. 190–2500 nm. SKU: C104WE.

In Stock

SKU: C104WE Categories: Cuvettes, Products, Quartz Custom Cuvettes Brand: MachinedQuartz

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Description

The C104WE is a quartz round-bottom fluorescence flow cuvette with 10mm path length and four-way light optical configuration — all four vertical faces are polished to optical grade, enabling both standard UV-Vis absorbance and 90° fluorescence detection. With a 3.5ml internal volume (10 × 10 × 43 mm chamber), the cell is compatible with most commercial spectrophotometers. Fabricated using Molded 83 (>83% transmittance) — precision-molded from a single piece of quartz, eliminating adhesive joints entirely. Equipped with an integrated PTFE stopcock valve for precise flow control during liquid introduction and drainage. Features a T-shaped flow cell with round-bottom chamber, dual PTFE-sealed ports, and a vertical glass tube inlet. The multi-port configuration enables simultaneous flow and degassing during fluorescence measurements.

Technical Specifications — Round-Bottom Fluorescence Flow Cuvette
Material	Quartz	SKU	C104WE
Path Length	10mm	Internal Volume	3.5ml
Optical Windows	4 (Four-Way Light)	Fabrication	Molded 83
Transmittance	>83%	Wavelength	190–2500 nm
Exterior Dimensions	12.5 × 12.5 × 45 mm	Interior Dimensions	10 × 10 × 43 mm
Closure	PTFE Valve	Package	1pc/ea

Spectroscopy Applications

◆ Flow-Through UV-Vis Monitoring — continuous absorbance monitoring in HPLC, process-control, or automated sampling lines

◆ Fluorescence Flow Analysis — real-time fluorescence detection in flow-injection and sequential-injection analysis

◆ Process Analytical Technology (PAT) — in-line concentration monitoring for pharmaceutical and chemical manufacturing

◆ Water Quality Monitoring — continuous COD, nitrate, turbidity, and dissolved-oxygen measurements

◆ Reaction Kinetics — real-time tracking of reaction progress with continuous sample flow

◆ Chromatography Detection — UV-Vis or fluorescence detection cell for liquid chromatography systems

◆ Environmental Monitoring — automated field sampling with continuous flow-through detection

◆ Bioprocess Monitoring — real-time cell density, metabolite, and product concentration tracking

Why Four-Way Light?

Four-way light cuvettes have all four vertical faces polished to optical grade, enabling both standard absorbance measurements and 90° fluorescence detection geometry. The excitation beam enters through one face while emission is collected at right angles through an adjacent face — the standard configuration required by fluorimeters and spectrofluorometers.

Why Molded 83?

Molded 83 uses monolithic fused-quartz construction — no adhesive joints — delivering >83% UV transmittance from 200–2500 nm. Because there are no glue seams, the cell withstands all common laboratory solvents, concentrated acids, and bases (avoid HF). This fabrication is ideal for demanding analytical workflows where chemical resistance, long service life, and maximum optical clarity are priorities.

Why a PTFE Valve?

The integrated PTFE stopcock valve provides precise flow control for liquid introduction and drainage. PTFE is chemically inert and compatible with strong acids, bases, and most organic solvents, ensuring zero contamination or leaching during flow-through measurements. The valve allows controlled sample exchange without removing the cuvette from the instrument, enabling continuous-flow kinetics, titration experiments, and automated sample delivery workflows.

Usage Tips

Rinse with a compatible solvent (e.g., ethanol or the measurement solvent) before first use to remove any residual particles.
Do not use abrasive materials or brushes on the polished optical faces — wipe gently with lens tissue.
Withstands all common laboratory solvents, concentrated acids, and bases. Avoid HF (hydrofluoric acid).
Store in the original protective case to prevent scratches on the optical windows.
For baseline correction, fill with your reference solvent, cap the cuvette, and run a blank before sample measurements.

Custom Orders
Need a non-standard path length, volume, window configuration, or closure type? We manufacture quartz cuvettes to your exact specifications. Request a custom quote.

Disclaimer: Specifications are nominal values measured under standard laboratory conditions. Actual transmittance may vary slightly with wavelength and sample conditions. Images are representative; minor cosmetic variations between production batches are normal and do not affect optical performance.