Part 04: General Washing of Glassware Flashcards
1
Q
recommended what to wash with
A
soapy or dilute bleach
2
Q
how much tap and distilled?
A
3 tap (TAP TAP TAP) 1 distilled
3
Q
for green color develops, soak glassware and use dilute ammonium
A
acid dichromate method
4
Q
soak 12-24 hrs
A
nitric acid (20%)
5
Q
new pipettes
A
rinse with 5% HCL or 5% HNO5
6
Q
blood clots
A
soak the labware in 10% sodium hydroxide for 12-24 hrs to follow routine wash
7
Q
metal ion determinations
A
soak in 20% nitric acid for 12-24hrs. rinse with distilled water
8
Q
permanganate stains
A
soak with 50^ HCL or wash with mixture of 25% H2SO4 or 1% FeSO4 and rinse with tap water and wash
9
Q
soak in ant organic solvent or 50% KOH or conrad 70
A
10
Q
iron determination
A
soak in HCL solution (1:2 dilution) or HNO3 solution (dilute 1:3) followed by thorough washing
