Control Extracts (5ml)
For Diagnostic Use Only
$39.30 – $215.75
Negative Control Diagnostic Extract
This vial contains 5ml Negative Control Diluent, glycerin for diagnostic skin scratch testing.
Positive Control Diagnostic Extract
This vial contains 5ml Positive Control Histatrol® (histamine phosphate) glycerin 1.0 mg/ml for diagnostic skin scratch testing.
Fill your wells with the market's highest quality extracts by ALK.
NOTE: Check concentrations and pricing before placing your order, extracts are a non-returnable item.
We offer the following Control Extracts:
- Positive Control (Histatrol) – (Gly) 1.0 mg/ml in 5ml.
- Negative Control (Diluent) – (Gly) in 5ml.