Achieve deep, intense blue tones in your cyanotype prints with Ferric Ammonium Citrate Green 15%, a high-quality, light-sensitive compound essential to the cyanotype process. At Cyanoprints.com, we supply only laboratory-grade material – reliable, consistent, and trusted by artists, photographers, and educators.
What is Ferric Ammonium Citrate Green 15%?
Ferric Ammonium Citrate (Green) is a photosensitive iron salt that, when combined with Potassium Ferricyanide 99.62%, forms the classic cyanotype emulsion. The “Green” variant contains 15% iron content, producing stronger contrast and deeper Prussian blue tones than the weaker brown variants.
Key features of our Ferric Ammonium Citrate 15%
- 15% iron content – for intense, vivid cyanotype results.
- Highly soluble – dissolves quickly in distilled water without clumping.
- Professional grade – consistent results for both beginners and advanced users.
- Available from 100 g to 1 kg – suitable for small projects or large workshops.
- Safe packaging – supplied in resealable containers with clear labelling.
How to use Ferric Ammonium Citrate for cyanotype
- Dissolve the powder in distilled water.
- Prepare a separate solution of potassium ferricyanide.
- Mix the two solutions in equal proportions just before use.
- Apply evenly to paper, fabric, or other absorbent surfaces using a foam brush.
- Dry in a dark room, then expose under sunlight or a UV lamp.
- Rinse thoroughly with water to reveal your cyanotype print.
Who is this product for?
Ferric Ammonium Citrate Green 15% is suitable for:
- Artists & printmakers – looking to experiment with alternative photographic techniques.
- Photographers – producing high-contrast cyanotype negatives and positives.
- Textile designers – creating permanent patterns on cotton, linen, or other fabrics.
- Educators – perfect for classroom workshops thanks to its safe and stable properties.
Tips for best results
Combine with the right materials to achieve maximum quality:
- Clairefontaine Aquapad 300g – premium paper for sharp, detailed prints.
- UV plexiglass plates – to keep negatives and objects flat during exposure.
- Soft nitrile gloves – for safe handling of the chemicals.
Storage and safety
- Store in a dry, dark, and cool environment.
- Always wear protective gloves when handling the powder.
- Do not mix until ready to use – solutions are best prepared fresh.
- Keep out of reach of children and avoid direct contact with skin or eyes.
Frequently Asked Questions (FAQ)
What is the difference between green and brown Ferric Ammonium Citrate?
The green variant contains 15% iron, producing deeper and more stable blues. Brown variants are weaker and less suitable for cyanotype.
How long can I store Ferric Ammonium Citrate?
In powder form, it can be stored for several years if kept dry, cool, and sealed.
Can I use this chemical on fabric?
Yes, it works well on cotton, linen, and other natural fibers. Pre-washing the fabric improves absorption.
Do I need special equipment?
No special equipment is needed beyond basic safety items such as gloves, a foam brush, and a UV light source or sunlight.
