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Home› UV cuvette›Screw Cap Micro Slit Cuvettes› 5mm Quartz Screw Cap Micro Slit Cuvette, Fully Sealed M10 Thread
5mm Quartz Screw Cap Micro Slit Cuvette 4-Port 1.75mL Fully Sealed M10 Thread
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5mm Quartz Screw Cap Micro Slit Cuvette, 4-Port 1.75mL, Fully Sealed M10 Thread, Optical Contact One-Piece Molding

SKU: qc-screw-cap-micro-slit-5mm-4w Brand: scuvette In Stock
$370.00 $285.00 / box (1 pc)
Minimum Order Quantity: 1 box (1 pc)
Specification:
Optional Accessories — Spare PTFE Screw Caps (solid lid + silicone septum included; spares $12 each): View All Cuvette Caps →
Path Length: 5mm
Volume: 1.75mL
Brand: scuvette
Type: High Precision
Thread: M10 (fully sealed)
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Brand: scuvette. 5mm quartz screw cap cuvette four-way 1.75mL fully sealed with M10 PTFE thread cap, suitable for anaerobic and volatile-sample experiments. Japanese imported JGS1 fused silica, optical contact one-piece molding process (premium; comparable to German original imports), >83% transmittance, 200nm-2500nm wavelength, max operating temp ≤1200°C. Overall height with cap 56mm, outline 12.5 × 12.5 × 56mm. Ships with PTFE solid lid + silicone septum; spare PTFE-septum and injectable caps sold separately ($12 each).

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Description Specifications

Brand: scuvette. 5mm quartz screw cap cuvette four-way 1.75mL fully sealed with M10 PTFE thread cap, suitable for anaerobic and volatile-sample experiments. Japanese imported JGS1 fused silica, optical contact one-piece molding process (premium; comparable to German original imports), >83% transmittance, 200nm-2500nm wavelength, max operating temp ≤1200°C. Overall height with cap 56mm, outline 12.5 × 12.5 × 56mm. Ships with PTFE solid lid + silicone septum; spare PTFE-septum and injectable caps sold separately ($12 each).

01

ISO Quality Certificates

CAS certified Chinese Academy of Sciences quality certificates and 99.99% SiO2 test report
02

Japanese Fused JGS1 Quartz

5mm quartz screw cap cuvette detail
03

One-Piece Fused Molding — Fully Sealed

5mm quartz screw cap cuvette detail
04

M10 Screw Thread & PTFE Cap

5mm quartz screw cap cuvette detail
05

Precision Ground Optical Windows

5mm quartz screw cap cuvette detail
Brandscuvette
Name5 mm quartz screw cap cuvette, four-way sealed
Path Length5 mm
Volume1.75 mL
Slit Width5 mm
MaterialJapanese imported JGS1 fused silica
Chemical ResistanceAcid / alkali / organic solvent resistant
TechnologyOptical contact one-piece molding (premium; comparable to German original imports)
Transmittance>83%
Wavelength Range200 nm – 2,500 nm
Window ConfigurationFour-sided clear (four-way cuvette)
Thread / SealM10 screw cap, fully sealed — suitable for anaerobic / long-duration experiments
Overall Height with Cap56 mm
Outline Dimension12.5 × 12.5 × 56 mm (with cap)
Cell Body Dimension12.5 × 12.5 × 40 mm
Wall Thickness1.25 mm
Cap MaterialPolytetrafluoroethylene (PTFE) — solid lid + silicone septum included; spare solid / injectable lids sold separately
Max Operating Temp≤1200 °C
Type / GradeHigh Precision
Suitable ForUV / visible spectrophotometer; anaerobic / volatile-sample / long-duration sealed experiments
PackagingPlastic box (1 pc per box), outer carton (paper box)

Optional PTFE Screw Caps (sold separately)

OptionLid TypeSeptumChemical ResistanceUse CaseSKUPrice
Solid Lid + PTFE Septum Solid PTFE (Polytetrafluoroethylene) Acid / alkali / organic solvent / UV resistant Aggressive chemistry qc-cap-solid-ptfe $12.00 / piece
Solid Lid + Silicone Septum Solid Silicone ⚠ neutral samples only Limited (corrosive chemicals NOT resistant) Soft sealing with neutral samples qc-cap-solid-silicone $12.00 / piece
Injectable Lid + Silicone Septum Injectable (syringe access) Silicone ⚠ neutral samples only Limited (corrosive chemicals NOT resistant) Add / withdraw sample via syringe without opening cap qc-cap-injectable-silicone $12.00 / piece
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Customer Reviews

4.9
★★★★★
Based on 26 verified reviews
RP
Raj P.
India · Verified Buyer
★★★★☆
Good product, the finish is clean and the windows are clear. Shipping took a bit longer than expected but the cuvettes themselves are worth the wait.
Reviewed on Jul 22, 2026
CW
Chen W.
Singapore · Verified Buyer
★★★★★
Excellent product. The optical contact process ones are comparable to German brands at a fraction of the cost. Our UV-Vis results are clean and reproducible.
Reviewed on Jul 2, 2026
SJ
Sarah J.
United States · Verified Buyer
★★★★★
Perfect for our UV-Vis applications. The quartz is clear, no bubbles or inclusions visible. Paired testing transmittance was within spec. Very satisfied.
Reviewed on Jul 5, 2026
JH
James H.
United Kingdom · Verified Buyer
★★★★☆
Good value cuvettes for routine lab work. The finish on the windows is clean and the dimensional accuracy is within tolerance. Would recommend for budget-conscious labs.
Reviewed on Jul 8, 2026
SM
Sophie M.
Germany · Verified Buyer
★★★★★
Sehr gute Verarbeitung und schnelle Lieferung. Die Küvetten passen genau in unsere Halterung und die Transmissionswerte stimmen. Sehr empfehlenswert.
Reviewed on Jun 18, 2026
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Quartz Micro Slit Screw Cap Cuvette - Frequently Asked Questions

What is a micro slit screw cap cuvette used for?

A micro slit cuvette has a narrow slit-shaped chamber that confines the light beam to a thin sample layer, keeping the required sample volume low while maintaining sensitivity. This 5mm slit cell is ideal for concentrated or limited samples in UV-Vis spectroscopy.

How does a 5mm slit cell change my absorbance reading?

Because absorbance follows A = εcl, a short 5mm path length reduces absorbance by several times compared with a standard 10 mm cell - letting you measure high-concentration samples without dilution while avoiding detector saturation.

Why four-way windows with a screw cap on a slit cell?

Four polished windows allow fluorescence or multi-angle measurements, and the M10 PTFE solid cap keeps the narrow chamber airtight so volatile samples do not evaporate during long scans. See the complete micro cuvette range.

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