Lovibond Tintometer Manual Del Usuario página 55

Zero accepted
prepare Test
press TEST
Notes:
1. This method is adapted from MERCK.
2. Before performing the test read the original test instructions (delivered with the test) and
the MSDS (available at www.merckmillipore.com).
3. Spectroquant is a registered trade mark of the company MERCK KGaA.
®
4. Appropriate safety precautions and good lab technique should be used during the whole
procedure.
5. Because reaction depends on temperature, tube temperature must be between 15 and
20°C; sample temperature must be between 10 and 20°C.
6. Sample volume should always be metered by using volumetric pipette (class A).
7. Should the lower phase be turbid, warm the cell briefly with the hand.
8. The test sample should have a pH value between 5 and 10.
9. SDSA
1)
SDBS
2)
SDS
3)
SDOSSA
4)
Reagent / Accessories
MERCK Spectroquant
calculated as sodium 1-dodecanesulfonate (APHA 5540, ASTM 2330-02, ISO 7875-1)
1)
calculated as sodium dodecylbenzenesulfonate (EPA 425.1)
2)
calculated as sodium dodecyl sulfate
3)
calculated as Sodium dioctyl sulfosuccinate
4)
07/2017
9. Swirl the vial (the sample) and than place the vial
(the sample) in the sample chamber making sure that
the marks
10. Press TEST key.
The result is shown in the display in mg/l SDSA.
Form of reagent/Quantity
1.02552.0001 Cell Test / 25 Tests
®
are aligned. (note 7)
Order-No.
420763
55