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Sensorik - Ersatz für Coffein?
#1
Hallo Zusammen,

unsere

Vorräte an Coffein für Sensorikschulungen/Übungen geht so langsam zur Neige - es sind nur

noch Pulverreste im Gefäß <!-- sSad --><img src="{SMILIES_PATH}/icon_sad.gif" alt="Sad" title="Sad" /><!-- sSad -->
Bei den üblichen Chemikalienhändlern bekommt man nur rel.

große Mengen, mit 500g dürften wir LANGE auskommen - wenns hoch kommt, brauchen wir 20 g im

Jahr?!?

Bei der letzten Übung habe ich schon auf Coffein-Tabletten aus der Apotheke

zurückgegriffen, was aber nicht so richtig gut klappt, weil die Tabletten unlösliche

Substanzen enthalten und die Proben dann einen Bodensatz hatten (trotz

Dekantierens).
Reines Coffein wollte man mir in dieser Apotheke nicht verkaufen, auch

nicht gegen eine Art "Endverbleibserklärzung". In anderen Apotheken habe ich es allerdings

noch nicht versucht.

Oder hat jemand einen guten Ersatz für Coffein als Bitterstoff

für Sensorikübungen??

Danke!
Saftschubse
  Zitieren
#2
@Saftschubse:
afaik gibt es von Merck auch kleinere Mengen (100g

z.B.)

Gruß
Gunnar <!-- Icon_cool --><img src="{SMILIES_PATH}/icon_cool.gif" alt="8)" title="Cool" /><!-- Icon_cool -->
  Zitieren
#3
Kyylshrunk schrieb:afaik gibt es von Merck auch kleinere Mengen (100g

z.B.)

Nichts für ungut, aber hast Du den Preis gesehen?? Die 100g

Coffein Normapur sind teurer als 250g Coffein ph Eur.1 !!! Und das reicht halt so ewig!
  Zitieren
#4
Hallo

Saftschubse,

in solchen Dingen solltest Du mich nächstes Mal direkt ansprechen, ich

war jetzt lange nicht auf der Seite weil viel Unterwegs und so. Bei 20g sage ich mal die

gebe ich aus
<!-- sBig Grin --><img src="{SMILIES_PATH}/icon_biggrin.gif" alt="Big Grin" title="Very Happy" /><!-- sBig Grin -->

Gruß Ariane

p. s.: lass mit bitte via Mail Deine genaue

Anschrift zu kommen. Nicht, dass das bittere Gold verbohren geht oder gar in falsche Hände

gelangt
  Zitieren
#5
Hallo Ariane,

das ist nett von Dir,

auch wenn es nicht um den Betrag an sich geht, 20-30 Euro wird mein Arbeitgeber gar nicht

merken.
Was mich ärgert ist, dass ich an keine adäquaten Mengen rankomme! Von anderen

Sachen lege ich mir doch auch keinen 10-Jahre-Vorrat an!

LG
Saftschubse
  Zitieren


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