Standard rectangular cells (Type 1)

Product / Spectroscopy

Standard rectangular (macro) cells, Type 1, are the most common cells in analytical chemistry; the exterior dimensions suit virtually every spectrophotometer and photometer. They have an exterior height of 45 mm, two clear windows and an open top; the inside walls are smooth and the adjacent windows and bottom are frosted. Each cell is supplied with a PTFE cover. Unless specifically designed otherwise, all cells are assembled by fully fused construction without intermediate adhesives and can generally be used with pressure differentials of up to three atmospheres. Standard window thickness is 1.25 mm and the standard path length tolerance is ±0.01 mm (catalog general specifications).

Product group: UV/VIS and fluorometer cells
Brand: Starna Scientific

Manufacturer website

Source: manufacturer website (opens in a new tab) · Image: manufacturer website

Order codes and options

26 codes

Standard rectangular cells (Type 1) order codes and properties
Code	Window material	Path length	Nominal volume
1-G-1	Optical glass (334-2500 nm)	1 mm	0.4 mL
1-G-2	Optical glass (334-2500 nm)	2 mm	0.7 mL
1-G-5	Optical glass (334-2500 nm)	5 mm	1.7 mL
1-G-10	Optical glass (334-2500 nm)	10 mm	3.5 mL
1.7-G-10	Optical glass (334-2500 nm)	10 mm	6.5 mL
1-G-20	Optical glass (334-2500 nm)	20 mm	7 mL
1-G-40	Optical glass (334-2500 nm)	40 mm	14 mL
1-G-50	Optical glass (334-2500 nm)	50 mm	17.5 mL
1-G-100	Optical glass (334-2500 nm)	100 mm	35 mL
1-SOG-10	Special optical glass (320-2500 nm)	10 mm	3.5 mL
1-Q-1	Spectrosil quartz (far UV) (170-2700 nm)	1 mm	0.4 mL
1-Q-2	Spectrosil quartz (far UV) (170-2700 nm)	2 mm	0.7 mL
1-Q-5	Spectrosil quartz (far UV) (170-2700 nm)	5 mm	1.7 mL
1-Q-10	Spectrosil quartz (far UV) (170-2700 nm)	10 mm	3.5 mL
1-Q-20	Spectrosil quartz (far UV) (170-2700 nm)	20 mm	7 mL
1-Q-40	Spectrosil quartz (far UV) (170-2700 nm)	40 mm	14 mL
1-Q-50	Spectrosil quartz (far UV) (170-2700 nm)	50 mm	17.5 mL
1-Q-100	Spectrosil quartz (far UV) (170-2700 nm)	100 mm	35 mL
1-I-1	Infrasil quartz (near IR) (220-3800 nm)	1 mm	0.4 mL
1-I-2	Infrasil quartz (near IR) (220-3800 nm)	2 mm	0.7 mL
1-I-5	Infrasil quartz (near IR) (220-3800 nm)	5 mm	1.7 mL
1-I-10	Infrasil quartz (near IR) (220-3800 nm)	10 mm	3.5 mL
1-I-20	Infrasil quartz (near IR) (220-3800 nm)	20 mm	7 mL
1-I-40	Infrasil quartz (near IR) (220-3800 nm)	40 mm	14 mL
1-I-50	Infrasil quartz (near IR) (220-3800 nm)	50 mm	17.5 mL
1-I-100	Infrasil quartz (near IR) (220-3800 nm)	100 mm	35 mL

Technical specifications

Standard rectangular cells (Type 1) technical specifications
Window materials	Optical glass, Special optical glass, Spectrosil quartz, Infrasil quartz
Path length range (mm)	1 - 100 mm
Nominal volume range (mL)	0.4 - 35
Number of variants	26

Source: starnacells.com (opens in a new tab) · Starna Cells 2026 Catalog, p. 4 (dimension table) · starnacells.com (opens in a new tab) · starnacells.com product type page. Values come from the manufacturer and are confirmed at the quotation stage.