Project #1 / Qiagen Sciences, Inc. / Clients / Media

Name

Project #1

Test Objective

To remove residue from glass lined tanks and define cleaning process.

Witnessed

No

Confidential

No

Help Implementing

No

Submission Date

07/18/2003

Representatives

Johannes Gross

Substrates

Glass/Quartz
Stainless Steel

Sample Type

Glass lined stainless steel tanks

Product Use

Acid/base washers for buffer solutions

Percentages Cleaned

Weight Min

Weight Max

Approximate Size

Approximate Size ID

Small

Weight Range ID

Less than 1 lb

Shape

Smooth

Hardness

Hard

Shape Type

Simple

Return Samples

No

Return Sample Address

Contaminants

Salts
Soaps

Samples Available

No

Pre Clean Manufacturing Step

buffer formulation with heating

Post Clean Manufacturing Step

none

Parts Cleaned Per Week

Parts Cleaned Per Bath

Frequency

PSI

1000

Equipments

High Pressure Spray
Immersion/Soak
Low Pressure Spray

Vendor

Thale

Cleaning Chemicals

Steris CIP 100, Steris CIP 200

Concentration

1%, 1%

Cleaning Temp

150

Cleaning Time

Cleaning Water Type

DI

Problems With Current Method

Residue on glass-lined tank wall

Purpose of Cleaning

To remove residue buffer solution

Rinse Time

Rinse Temp

150

Rinse Water Type

DI

Drying Method

Air Blowoff

Drying Time

Drying Temp

Storage Type ID

Used Immediately

How Stored

How Long Stored

Analysis Method

No relation

Performance Test

TOC, conductivity, pH

Comments or Concerns

Remove residue, maintain clean surface.

Summary

Ran database search for alternative cleaning products, sent report to client via email.

Implementation

No

In Progress

No

Technolog Transfer

Yes

Analysis Only

No

Part Picture

No

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Project #1