Calcium Flashcards
(11 cards)
1
Q
Method
A
O-cresolphthalein complexone Method
2
Q
Principle
A
Calcium chelates O-Cresolphthalein violet at an alkaline pH
3
Q
Volume for Calcium color rgt
A
500 uL
4
Q
Volume for Base rgt
A
500 uL
5
Q
Volume for serum, what is its concentration also
A
10 uL (10 mg/dL)
6
Q
End Products and Color
A
Purple complex
7
Q
Absorbance
A
550
8
Q
Conversion factor
A
x 0.25 → mmol/L
9
Q
Reference value for total calcium
A
2.24–2.53 mmol/L
(9.0–10.1 mg/dL)
10
Q
Reference value for ionized calcium
A
1.15–1.33 mmol/L (4.6–5.3 mg/dL)
11
Q
Clinical Significance
A
Increased: Hypercalcemia
Decreased: Hypocalcemia
