Description
AG Fluid 12.5 Brix is a dedicated refractometer calibration liquid intended for verification of instruments operating on the Brix scale. Supplied as a convenient set of five separate 5 ml portions, the product enables repeated calibration checks while limiting cross-contamination between uses. The fluid is specified at a 12.5 Brix level, making it suitable for quality control, method validation and routine performance confirmation in food processing, beverage production, sugar analysis and general laboratory refractometry. Each portion can be applied to the measuring prism following standard cleaning and temperature equilibration steps recommended for optical instruments. Available from manufacturer Bellingham + Stanley, this AG12.5 calibration fluid carries the UKASIST designation noted in the source description, supporting laboratories that document calibration materials within accredited workflows. The complete pack contains 5 × 5 ml and presents a net weight of 0,189 kg with a gross package weight of 0,21 kg. Outer packaging measures 0,22 m depth, 0,15 m width and 0,04 m height, so the set stores easily with other refractometer accessories.
This article is part of Refractometers & polarimeters, in Spectroscopy & photometry.
Key features
Recently viewed
You may also like
Browse related categories
Category
Sub-category
Catalogue
Brand
Questions about AG FLUID 12.5 BRIX
What is this article?
AG FLUID 12.5 BRIX is the article on this page. Luminix Health distributes Bellingham + Stanley for laboratory use. It sits in Refractometers & polarimeters, inside Spectroscopy & photometry, in Lab instruments.
A refractometer reads the refractive index of a liquid, often expressed as Brix for sugar. A polarimeter reads the rotation of polarised light. Both depend on temperature. A handheld refractometer and a thermostated benchtop instrument are different accuracies.
A photometer or spectrophotometer sends light through a sample and reads how much was absorbed. In the range where the Beer–Lambert relation holds, absorbance tracks concentration. A refractometer reads how a liquid bends light, which tracks dissolved solids. A polarimeter reads the rotation of polarised light, the classical measurement for sugars. The lamp, the wavelength and the cuvette path length are the three things that have to be right before the number means anything. The optical quantities trace to NIST and the BIPM.
Which category should I open next?
The category is Spectroscopy & photometry. The sub-category is Refractometers & polarimeters. The catalogue is Lab instruments.
Shelves beside this one are Photometers & spectrophotometers and Lamps, cuvette holders & accessories.
What should I check before I order?
When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
How does ordering and shipping work?
Luminix Health distributes this article from the heart of Europe. Delivery across Europe, two to five days when in stock. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
Which other categories should I open?
The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.

