Serpentine hydrogen tartrate
Reference standards.
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Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to
24 months(2-8C).
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.
Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com
The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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Microchimica Acta, 1976, 65(2-3 Pt 1):173-180.
Fluorimetric analysis of alkaloids. Determination of serpentine, yohimbine, and boldine.[Reference:
WebLink]
A fluorimetric study has been made of the alkaloids serpentine, yohimbine and boldine, and conditions found for their fluorimetric determination.
METHODS AND RESULTS:
The limits of detection are 0.5 ng/ml for Serpentine hydrogen tartrate, 5 ng/ml for yohimbine hydrochloride and 1–3 ng/ml (depending on the conditions) for boldine.Eine fluorimetrische Untersuchung der Alkaloide Serpentin, Yohimbin und Boldin wurde durchgefhrt und deren fluoreszenzanalytische Bestimmung ausgearbeitet. Die Erfassungsgrenzen sind fr Serpentinhydrogentartrat 0,5 ng/ml, fr Yohimbinchlorhydrat 5 ng/ml und fr Boldin (je nach den Arbeitsbedingungen) 1–3 ng/ml.
