ID Kit Quick Guide

Mira DS is a compact, rugged handheld Raman analyzer specifically designed for detection and identification of illicit materials.

This document informs Metrohm Mira DS and P-SERS test strip users about methods and best practices for analysis of samples suspected of containing trace levels of illicit substances, including heroin and other narcotics.

Contents

ID Kit (607506400)

• 1 sample vial pre-fil ed with solvent

• 1 disposable spatula

• 1 dropper

• 2 silver P-SERS test strips Additional Requirements

• Mira DS Handheld Raman Analyzer (2.926.0020)

• SERS Attachment (607506040)

• Sample suspected of containing il icit materials

• While unnecessary for stand-alone operation of the analyzer, MiraCal DS software (606071020) can be used to create custom Libraries, Operating Procedures and Training Sets; in addition to analyzing and reporting data.





The SERS Attachment

features:

1. Slot to accept substrates at the optimal depth.

2. Hinged cover for easy cleaning.

Laser can be operational when instrument is on and door is open!

Cleaning of SERS Attachment 1

2

Power down the instrument.

Wipe down interior surfaces using a kimwipe Open the hinged door of the attachment.

or swab, ethanol or isopropanol may be used.

Cleaning is intended to remove residue from CAUTION! Laser can be operational when previous substrates, rather than polishing the the instrument is on and the door is open!

window.





Test Procedure

1

2

Remove cap from the sample vial.

Using the provided spatula, transfer a small amount of sample to the vial, 2–3 mg is sufficient, but more sample will provide a stronger signal.

• 2–3 mg is approximately the size of a pinhead

• if sample is sticky, solvent can be "stirred"

with sample-laden spatula

3

4a

4b

Replace cap on vial and shake for 30 seconds.

Apply sample to the P-SERS test strip using

• precipitates may remain, but substances of one of two methods:

interest will be extracted a Drop solution onto the printed portion of

• for best results, test within 5 minutes of strip OR

extraction

b Dip printed portion of the strip directly into solution.

Do not touch the printed portion on SERS test strips

Wait 2 minutes for the substrate strip to dry.





5

6

Mount the SERS attachment onto Mira DS

Insert colored end of the SERS test strip into and turn on the instrument.

the slot on the attachment with colored

• daily calibration of Mira DS is recommended, side facing the instrument, stopping when see Mira DS User Manual for instructions resistance is met.

• connecting the SERS Attachment activates automated SERS routines

At the prompt, touch the screen to Arm Laser.

This attachment features a hinged door for decontamination, however, the door must remain closed during operation of the laser.

7

8

witzerland

Touch the screen again to Acquire a spectrum. Within seconds, a result will display on the screen. A positive result will be displayed with appropriate warnings.

G, CH-9100 Herisau, S

ohm A

For advanced operation, see Mira DS

www.metrohm.com

, printed by Metr

SW

and MiraCal DS user manuals.

1

Subject to change without prior notice Layout by Ecknauer+Schoch A 8.000.5278EN – 2019-