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Technical Information Bulletin

KODAK Rapid X-ray Developer and Replenisher

Mixing Instructions

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Updated March 15, 2002

Important Information Before You Begin

  • Observe the precautionary information on the containers.

  • Use ventilation with enough air circulation or exhaust to keep the mixing area free from strong odors (change 10 room-volumes of air per hour).

  • Wear rubber gloves, eye protection (visor goggles or face shield), and a chemically impervious apron when mixing chemicals.

  • To avoid release of irritating vapor(s), always follow mixing instructions.

  • Always measure and record the quantity of developer replenisher solution in the replenisher tank before mixing.

  • Be sure the tank has enough room to accept the additional amount of liquid volume to be mixed.

  • The concentrates must not be mixed without the recommended dilution.

  • The 5-gallon (19 litre) size consists of three (3) small containers of dry chemicals:

    • Part A

    • Part B

    • Part C

To Prepare a Developer Replenisher Solution

To Make

Add Water

While Stirring Continuously,
Slowly Add (in order)

Part A

Part B

Part C

Cold Water*

5 Gallons
(19 Litres)

4 gallons
(15.1 litres)

1 container

1 container

1 container

To make 5 gallons
(1.9 litres)

* After adding, continue stirring until chemicals are dissolved and the solution is completely mixed.

Important: After development, rinse films thoroughly before placing in the fixing bath.


Development time may be constantly maintained by replenishing with Rapid X-ray Developer and Replenisher. Replenish at a rate of 2 1/2 fl. oz. (74 ml) for each 14 x 17-in. film developed.

Additional Information


Material Safety Data Sheets are available online via the MSDS Search Page.

Storage and Handling

Click Here for Storage and Handling Conditions for KODAK Medical Processing Chemicals.

Kodak is a trademark of Eastman Kodak Company.
Technical Information Bulletins provide information of limited or specific application. Responsibility for judging the applicability of the information for a specific use rests with the end user.