prussian blue

Prussian blue

This page presents the Spectroscopic analysis of this pigment.
The pigment has been examined using XRF spectroscopy, Raman spectroscopy, FTIR spectroscopy, and Reflectance Spectroscopy. These complementary techniques provide valuable insights into the pigment’s composition and structure.
This page aims to show which analytical methods are most effective for identifying this pigment in artworks and historical materials. By comparing results across different techniques, it serves as a practical reference for Heritage Science, Conservation, and Pigment Analysis.

The first of the modern pigments available to artists by 1724 and since then extremely popular.

Manufacturer / product code:  Kremer / 45202 
Chemical description: iron-hexacyanoferrate. Kremer PDF
Color: blue
Color Index: PB27
More info: Pigments Through The Ages  Colourlex

Prussian Blue holds the distinction of being the first modern synthetic pigment, a discovery that permanently altered the trajectory of art history. Its creation in Berlin around 1706 was a serendipitous accident: a dye-maker named Johann Jacob Diesbach, attempting to make a red pigment, used potash contaminated with animal blood (specifically, from the alchemist Johann Dippel). Instead of red, the iron-rich reaction produced a deep, potent blue.

Before this accident, artists had few options: the prohibitively expensive Lapis Lazuli (Ultramarine) or the unstable Azurite. Prussian Blue arrived as a miracle—affordable, accessible, and intensely dark. It was immediately adopted by European masters like Watteau and Canaletto, but its most dramatic impact occurred a century later in Japan. Because it was chemically stable and fade-resistant compared to traditional organic indigo, it revolutionized woodblock printing (ukiyo-e). It is the defining color of Hokusai’s The Great Wave off Kanagawa, allowing for the depiction of deep, saturated water that didn’t turn brown over time.

In the 20th century, it became the melancholy soul of Picasso’s Blue Period and the chemical foundation of the cyanotype (the original “blueprint”). Although it can be somewhat difficult to control due to its high tinting strength and tendency to dry with a bronze sheen, it remains a vital, moody essential on the palette, valued for its ability to produce deep, mysterious blacks and atmospheric greens.


Raman Spectroscopy 532 nm – ElviRa Spectrometer for Art


Raman Spectroscopy 532 nm (ElviRa spectrometer) Pigments-Checker Database (74045 downloads )


Raman spectroscopy 785 nm

Pigments (powder, no binder)


Raman Spectroscopy 785 nm Pigments (pure, no binder) (76697 downloads )


Pigments with acrylic binder (Pigments Checker)

Raman Spectroscopy 785 nm Pigments-Checker Database (77617 downloads )


Pure pigments (no binder, just powder)

DOWNLOAD Free Raman Database

DOWNLOAD paper:   “Pigments Checker version 3.0, a handy set for conservation scientists: A free online Raman spectra database”

Prussian blue 45202 Raman Spectroscopy Pigments Checker


 

XRF spectroscopy

XRF Spectroscopy Pigments-Checker Database (88910 downloads )

DOWNLOAD previous database from Pigments Checker V.3      DOWNLOAD paper: R. Larsen, N. Coluzzi, A. Cosentino “Free XRF Spectroscopy database of Pigments Checker” Intl Journal of Conservation Science.


Reflectance Spectroscopy (200-1000 nm) – GorgiasUV Spectrometer

Reflectance Spectroscopy (200-1000 nm) (GorgiasUV) Pigments-Checker Database (92894 downloads )

Reflectance spectroscopy – Gorgias Spectrometer for Art

Reflectance Spectroscopy (350-950 nm) (Gorgias) Pigments-Checker Database (99110 downloads )

Prussian blue

NIR Reflectance spectroscopy


NIR-Reflectance Spectroscopy (930-1690 nm) Pigments-Checker Database (88084 downloads )


FT-IR Spectroscopy (Non-invasive Diffuse Reflectance Probe)

FTIR Diffuse Reflectance Spectroscopy Pigments-Checker Database (78094 downloads )

FTIR non-invasive Spectroscopy Pigments (pure, no binder) Database (80580 downloads )

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