[BNC-all] Chemical Source Change

[John Weaver]

BNC is switching chemical suppliers for stock acids

.         In February, our acid supplier ICR had an equipment malfunction
and shipped a batch of BOE that was 10x too dilute. 

.         All faulty material has been pulled and was replaced with tested
BOE lots dated 03/19/08 and 03/28/08

.         Demands from BNC for more rigorous quality controls and
documentation were unmet.

.         BNC is phasing out ALL ICR materials and switching to J.T. Baker
for all acid supplies (HF, BOE, H2SO4, HCl, HNO3).  The cross over will
occur as each acid stock is consumed.

 

 

John R. Weaver

Facility Manager

Birck Nanotechnology Center

Purdue University

(765) 494-5494

jrweaver at purdue.edu

 

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