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Trial Number 10

Trial Purpose:

Cleanliness analysis results of 11 Fr Stylet wires

Date Run:

11/04/1996

Experiment Procedure:

I just finished analyzing the 11 Fr. Stylet wires that you sent me last week.  Judging from the amount of contaminated solvent I had to use to obtain a readable peak, these parts are quite clean to begin with.  It seems that both the alcohol wipe and the vapor degreaser perform identically.  The wires cleaned with green thunder cleaner showed more contamination than the dirty wires.  This might be due to a slight content of low vapor pressure organics in the Green Thunder cleaner.

Trial Results:

FTIR & OSEE RESULTS for Biomedical Device Manufacturer

Part Type Peak Height OSEE Ave
1/* Precision Ball    
Dirty 0.0734 73.88
Vapor Degreased 0.0514 109.00
Alcohol Soak 0.0506 94.75
     
11 Fr. Spring    
Dirty 0.0690 119.90
Vapor Degreased  0.0508 177.10
Alcohol Soak 0.0385 145.70
     
J Pins    
Dirty 0.0356  83.57
Vapor Degreased  0.0309 131.57
Alcohol Soak  0.0000* 190.83
     
Short Pins    
Dirty  0.1500  
Vapor Degreased 0.0462  
Alcohol Soak 0.0484  
     
Impeller Plates    
Dirty  0.5930  276.90
Vapor Degreased 0.1610  458.90
Alcohol Soak 0.0556  561.75
Alcohol Soak & Wipe 0.0416  783.30
     
Impeller Shafts    
Dirty  0.0800  140.90
Passivated  0.0472  163.11
Passivated-Alcohol 0.9010  139.33
Vapor Degreased 0.0000* 191.30
Alcohol Soak 0.1000 112.25
Alcohol Soak & Wipe  0.0940  87.88
     
Impeller Shafts sent on 10/3**    
Dirty  0.3900  16.13
Vapor Degreased 0.0820  192.44
Alcohol Soak 0.1260  55.90
Dow Corning OS-10 Soak 0.1180 54.20
     
11 Fr. Stylet Wires recieved on 10/28***    
Dirty 0.07224  
Vapor Degreased 0.05232  
Wipe with Green Thunder 0.08385  
Alcohol wipe 0.05239  

* FTIR reading of 0 corresponds to no contamination remaining
** Second set were measured with 6 drops of contaminated solvent instead of one

OSEE Results for Biomedical Device Manufacturer
Part # 101446000 230056-0000 895-0019 102002
Lot # 13020707 13021720 3019101 23086
Desc. 1/8 Precision Ball Impeller Plates 11 Fr. Stylet J Pins

Dirty  Vap Degr IPA Soak Dirty  Vap Degr Alc.s&w Alc.soak Dirty  Vap Degr Dirty  Vap Degr Alc. soak
77  95  90  272  343  970  446  198  197  43  147  231
63  111  87  327  485  755  416  208  213  76  159  158
84  112  104  385  511  904  563  169  210  61  124  106
70 113  102  270  397  678  506  215  202  76  132  269
98  120  101  214  402  512  590  152  194  108  136  262
51  101  85  248  553  734  609  141  202  122  149  119
69  117  96  281 468  850  848  137 198  99  74  
79 103  93  267  375  494  516  124  205      
  107  91  263  668  967    153  191      
  106   242  387  969    136  208      
Average
73.8  109  94.75  276.90  458.90  783.30  561.75 163.30  202.00  83.57  131.57  190.83

Part # 868-0001 868-0002 23006000

Lot # 4161103 5318102

Desc. 11 Fr. Spring 9 Fr. Spring Impeller Shaft

Dirty Vap Degr Alc.Soak Dirty Dirty  Vap Degr Pass  Pas&Alc Alc.soak Alc.s&w
125  138  136 256  158  194  138  158  83  105
118  155  146  288  151  198  173  157  121  88
114 157  157  302 87  182  140  167  115  75
121 198  156  258  144  184  153  124  114  74
111  165  142  234  133  203  138  124  108  83
117  157  149  218  158  203  217  120 121  103
109  255  139  181  109  190  154  140  118  87
130  204  133  227  164  182  188  141  118  88
124  186  147  206  178 196  167  123    
130  156  152  223  127  181        
Average
120  177  146  239 141  191  163  139  112  87.9

Success Rating:

A cleanliness study, addressing only various analytical techniques.

Conclusion:

If you have any questions, please don’t hesitate to call.

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