![]() Next, measure out 10g of potassium ferricyanide and mix with water to make a solution of 100ml – put in another plastic tub. Measure out 25 g of ferric ammonium citrate and add water to create the solution of 100 ml – put this in one plastic tub. These instructions will allow you to coat up to 50 A4 sheets. The amount you measure out of the powder chemicals and water to create your light-sensitive solution depends on the amount you wish to make and how many papers you would like to coat. Put on your rubber gloves and lay out everything you need for this step on newspaper (to prevent stains), including: a measuring jug full of water, scales, 3 plastic tubs, the powder chemicals and a spoon. ![]() If you have purchased the powder chemicals, please adhere to the following instructions, but if you have purchased the pre-mixed solutions you can skip to the next step. ![]() Try a shed/garage or a room you can draw the curtains or blinds in. This next step must be carried out in subdued lighting - such as a room that is pitch black with a crack of daylight coming in. Once your papers are all sized and templated correctly as you would like them, the next step is to prepare your chemicals and coat the papers. If you wish to give your print a white border or would like to print the image in a particular shape, simply draw it out in pencil so you know where on the paper to paint the chemicals onto. I always find it useful to pencil notes on the back of the papers I am using for myself to refer to, e.g: ‘cover all over with chemicals’ or ‘paint in the box marked’ so I know exactly what I am doing when it comes to coating them. IMPORTANT NOTE! Make sure you prepare some test strips or test print papers as you will always need to try out different exposure times depending on the weather. I always use A4 or A5 size but you really can do any size you want or have available to you. The first step is to prepare the paper you wish to print on.
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