PHCI2.75G

05-0065

Photographers' Formulary

Photographers Formulary Chromium Intensifier helps to increase the density of black and white negatives. None This is a proportional intensifier. The amount of intensification is somewhat proportional to the amount of silver originally present in the negative. None Negatives intensified with chromium are stable. The process is used in room light and must be redeveloped in a quick-acting print developer.None Chromium intensification is best used for increasing contrast since it has little effect on thin, shadow areasNone Additional intensification may be obtained by repeating the process, however this also increases the risk of damage to the negative. None The two main ingredients in Chromium Intensifier, potassium dichromate and hydrochloric acid, are both toxic substances. Chemicals are used once and discarded. None Handle with protective gloves and respirator