Siemens RAPIDLAB 248, Operator'S Manual, Page: 21 / 135

Understanding the System Page 1-11
Active Ingredients
Material Safety Data Sheets for the 248 reagents are supplied by your
local distributor.
Intended Use
7.382 buffer provides the calibration point for 1 and 2 point pH
calibrations. 7.382 buffer is buffered to a pH of 7.382 at
37
°
C and is NIST traceable.
6.838 buffer provides the slope point for 2 point pH calibrations. 6.838
buffer is buffered to a pH of 6.838 at 37
° C and is NIST
traceable.
Wash washes the probe and sample path.
Deproteinizer removes protein buildup from the sample path. It is used
regularly as preventative maintenance for the 248.
Conditioner cleans and conditions the pH sensor. It is used regularly
as preventative maintenance for the 248.
Storage
Store all reagents away from direct sunlight at 4 - 25
°
C.
Discard 7.382 and 6.838 buffers 30 days after opening.
Do not use reagents after the expiry date.
Discard Deproteinizer and Conditioner solution after single use.
Handling and Preparation
7.382 buffer, 6.838 buffer, Wash and Conditioner require no
preparation before use.
Prepare Deproteinizer as directed by the instructions on the package.
Waste Disposal
BIOHAZARD:
See Appendix A, Protecting Yourself From Biohazards.
Refer to Page 3-4, Emptying the Waste Bottle , for detailed instructions
on handling the waste bottle.
Discard the waste bottle and its contents according to your laboratory
protocol. NCCLS Publication GP5 gives detailed guidelines.
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