Vitamins A and E Serum Controls, lyophilised
0032 Vitamins A and E Serum Control Bi-Level I + II (lyoph.), 2 x 5 x 2 ml
0036 Vitamins A and E Serum Control Level I (lyoph.), 5 x 2 ml
0037 Vitamins A and E Serum Control Level II (lyoph.), 5 x 2 ml
These lyophilised quality controls from Chromsystems are based on human serum and should be used according to the instruction manual. They are designed to monitor the accuracy and precision of analytical procedures in clinical diagnostics for the quantitative determination of vitamin A (Retinol) and vitamin E (α-Tocopherol) in serum/plasma. While following the instructions the controls should be handled and measured in the same manner as a patient specimen.
Technical Data
Concentrations
Please note: Concentration values shown here are typical. For lot specific concentration values please refer to the product insert supplied with the materials. The product inserts can also be requested from us directly or downloaded from our website after login.
| Substance | Unit | Value Level I | Range Level I | Value Level II | Range Level II |
| Retinol | mg/l
µmol/l | 0.51
1.79 | 0.41-0.62
1.43-2.15 | 1.08
3.76 | 0.86-1.29
3.01-4.52 |
| α-Tocopherol | mg/l
µmol/l | 6.84
15.9 | 5.47-8.21
12.7-19.1 | 14.0
32.4 | 11.2-16.7
25.9-38.9 |
Reconstitution
Carefully remove the metal seal and rubber stopper from the vials. Add exactly 2.0 ml of distilled water into each vial. Return the stopper and incubate for 10 to 15 minutes at room temperature. Swirl the vials to dissolve the contents until homogeneity.
Storage conditions
Stored below -18 °C and unopened, the lyophilised controls are stable until the expiry date specified on the vial labels. The reconstituted controls can be stored up to 2 weeks light protected and tightly capped at +2 to +8 C. If the controls cannot be used within this period, they should be aliquoted and stored frozen below –18 °C (up to 2 months). For more details about storage conditions please check your instruction manual.
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