To make enough alum for several dozen sheets of paper stir 1 tbsp 15 ml alum into 1 cups 360 ml warm water until completely dissolved at least two minutes.
Marbling paper with starch and alum.
Mix alum and warm water optional.
Mark one side of your watercolor paper with an a and use a sponge brush to apply alum solution evenly to that side of the paper.
You can easily make your own rake for making patterns in your paint by sandwiching toothpicks taped at 1 4 to 1 inch intervals between layers of corrugated cardboard prepare the surface of your paper.
Once the paper is dry press them under books to make them flat it will make marbling much easier if the paper is flat.
Fill the other tray with water.
Alum is a mordant meaning it causes color to set on the paper.
Once you understand the basics of paper marbling science experiment to find the method you like best.
Then use your marbled paper for cards gift wrap or place it in a frame for one of a kind art.
You may apply the alum with a brush sponge or a spray bottle.
Corn starch eye dropper tempura paint the more colors the merrier newspaper.
Prepare the marbling size.
In one tray mix a starch bath with 4 cups liquid starch and 1 tsp.
Trays should be larger than paper in cups dilute 2 parts of each paint color in 3 parts water.
Dissolve 2 tsp alum in 3 4 cup water.
Marble paper science projects require adult supervision but they are super easy.
1 2 tsp alum helps paint adhere to the paper 2 cups liquid starch liquid acrylic paints a long wooden skewer a 9 x 13 pan and white copy paper cut to fit the inside your pan.
After the alum is applied hang the paper to dry.
You will need to cover your paper with alum in order for the design to transfer from the water to the paper without getting washed away.
To make this fun and easy marbleized paper you will need.
It is not possible to marble with the alum wet on the paper the paint slides off.
The ph of an alum solution is approximately 3 4 depending on the concentration used.
Marbling paper in the ebru turkish style requir.
Marbleizing supplies are inexpensive and readily available at art supply and crafts stores.
Dissolve 2 tablespoons of the alum in 2 cups of warm water.
The purpose of alum in traditional marbling is to precipitate the pigment colloid solution on the paper surface.
Mix 1 tablespoon of the powdery alum per one cup of water and then thoroughly wet the surface of your paper.
Marbling size is the thickened liquid that the paint floats on.
Every marbler knows the problems and the hardest thing in marbling is to find just the right paper.
This video demonstrates the recipes and techniques necessary for aluming paper in preparation for marbling.
In fact this is a great science project for the whole family.