IDENTIFY IF: UT, DT, US, DS Flashcards
1
Q
Expired lamps/photocells
A
UPWARD TREND
2
Q
Denatured standard
A
UPWARD TREND
3
Q
Contamination of reagents
A
UPWARD TREND AND DOWNWARD TREND
4
Q
Standards that are too concentrated
A
DOWNWARD TREND
5
Q
Partial electrical failure in instrument
A
UPWARD SHIFT
6
Q
New standard is over-diluted
A
UPWARD SHIFT
7
Q
Denatured standard that has stabilized
A
UPWARD SHIFT
8
Q
Improperly prepared reagent
A
UPWARD SHIFT
9
Q
Inaccurate timer
A
UPWARD SHIFT and DOWNWARD SHIFT
10
Q
Deteriorated indicator
A
UPWARD SHIFT
11
Q
Dirty glassware
A
UPWARD SHIFT
12
Q
Overheating in °T-sensitive analysis
A
UPWARD SHIFT
13
Q
Increased concentration of standard & reagents
A
DOWNWARD SHIFT
14
Q
Contaminated reagents
A
DOWNWARD SHIFT
15
Q
Inaccurate timer
A
DOWNWARD SHIFT and UPWARD SHIFT
16
Q
Under-heating in analysis
A
DOWNWARD SHIFT
17
Q
Contaminated glassware
A
DOWNWARD SHIFT
