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Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ
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Alodine 600 mixing/dipping/birth defects




Q. I recently started working for a company and we manufacture aluminum (as well as other materials) parts for aircrafts. We use Alodine 600 according to the MSDS dated from 1995. I was wondering if anyone could tell me the correct mixing procedure and the correct dipping procedure as I don't get a straight answer from the guys at work. Also, are there any risks for birth defects with Alodine?

Thank you very much,

Jennifer Dixon
Airframe Component Repair - Savannah, Georgia, USA
2004


A. If you contact the company that is selling the Alodine 600 they will give all the relevant information about Mix ratio's and any hazardous properties concerning the product, I would suggest not getting the information from your friends and go direct to the supplier located near your place of work.

Pat Sullivan
- Australia
2004


A. There was an article by Daniel J. McCoy, Ph.D., Director Blodgett Regional Poison Center in Grand Rapids, Michigan called "THE TOXICOLOGY OF CHROMIUM" which addressed the health issue. Chromium enter the body by oral intake, skin exposure or by inhalation. Any of these routes can result in systemic toxic effects on numerous organ systems. The organs most commonly affected by chromium include the blood forming system, the liver, and the kidneys. Symptoms of systemic toxicity include anemia, thrombocytopenia (low platelets), liver damage and kidney failure. The most significant effects of exposure may be the long term ones such as cancer.

Inhalation exposure over an extended period of time increases the chances of contraction of lung cancer. Both individual case studies and epidemiologies studies indicated that occupational exposure to chromium is associated with lung cancer. Human exposure data together with studies in animals have provided decisive evidence for the carcinogenicity of inhaled chromium VI compounds. Cancers of the respiratory tract, especially lung and nasal cancers have been reported as high as fortyfold over the expected frequency in occupationally exposed workers. The time to onset of the cancer ranges from 10 to 20 years following the guerdoning of the exposure.

Jonathan Flicher
- Chicago, Illinois
2004




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