Contaminants And Wiping Theory-Sources of contamination

Contaminants And Wiping Theory-Sources of contamination

l Cleanroom contaminants

l Sources of contamination

l Particle adhesion mechanisms

l Contaminant removal methods

l Considerations for contaminant removal

l Choosing the right tools and methods

l Myesde Cleanroom Wipes

Sources of contamination

l PERSONNEL

1. Particle contaminants-  dust from clothes and body, hair,exhaled smoke particles

2. Organic contaminants  -skin oils, skin flakes, saliva

3.    Microbial contaminants -viruses, spores, bacteria, pyrogens

l  PROCESSES

1.   Ionic contaminants-metallic ions, salts, brighteners, surfactants, acids, bases  

2. Microbial contaminants -Spores, yeasts, molds, bacteria, viruses in pharmaceutical/biomedical processing

l  TOOLS AND MATERIALS

1. Particle contaminants

frictional wear, metal particles, rust, oxidation

debris from drilling, filing, and other facility and maintenance activities

2.  Organic contaminants -lubricants, plasticizers, compounds from outgassing, vapors from process and maintenance activities

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Ms.julia

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Email: licui@cldzcl.com