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Q:
Please elaborate what is the difference between the In-Spec UV Standard #1 through #8, #20, and #30. I am trying to determine if these will meet our needs.
Thanks you.
A
:
The difference in the various In-Spec Standards is the concentration level of the solution. As the value increases the absorbance...
Q:
I recently received my order of glacial acetic acid and some of the bottles have frozen. Is this a problem?
A
:
Acetic acid freezes at about 62°F. It is not unusual for products shipping from our Columbus, Ohio facility to drop below that te...
Q:
what concentration is glacial acetic acid?
A
:
Glacial acetic acid is essentially 100% concentration. That corresponds to a molarity of about 17.4 M.
Q:
Is this item SODIUM HYDROXIDE , REAGENT (ACS), item no 630, grain size in 20-30 mesh?
A
:
No, sodium hydroxide is in pellet form. The pellets are the shape of a contact lens roughly 1 cm across.
Q:
Please assist in search for:
1. Iron std solution 10,000ppm
2. Gold standard reference
A
:
These are part of our ICP Standards product line.
Iron ICP, 10,000 ppm Solution is our item # 1753.
Gold ICP, 10,000 ppm Solutio...
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