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Standards & Quality Control
Quality control implementation
Advanced Instruments recognizes that each laboratory will ultimately
determine its own unique quality control procedures and implementation
practices. The following recommendations outline the minimum require-
ments for quality control suggested for the A
2
O:
1. Read, understand and follow the instructions and recommendations
in the User's Guide as closely as practical.
2. Instrument repeatability and accuracy should be checked each time
the instrument is used. Run at least two levels of standards or con-
trols daily. Prepare, maintain and follow additional verification pro-
cedures specifically adapted to your own laboratory, as necessary.
3. The previous chapter specified repeatability tips. To the extent pos-
sible, follow the suggestions in the Repeatability Tips section.
4. To determine whether your instrument is accurate, run precisely-
known standards. Compare your analytical results with the nominal
value specified for the standard. To correct for any unacceptable
inaccuracy, recalibrate your instrument as described in Chapter 4.
Frequent unnecessary recalibration can introduce inaccuracy. The
calibration of a freezing point osmometer in good condition and
properly operated will not shift or drift.
5. Follow quality control requirements of your associations and regula-
tory bodies.
6. Advanced Instruments recommends the following usage schedule of
quality control materials to ensure proper instrument operation,
result reporting, and Good Laboratory Practice:
a. A sample of Clinitrol™ 290 Reference Solution should be used
daily, per shift, or each time the system is used to verify that the
instrument is accurate and repeatable.
b. If your laboratory is required to run matrix-based control solu-
tions, Protinol
®
Protein-Based Controls and Renol™ Urine
Osmolality Controls should be run daily, per shift, or each time
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