Descaling efficacy testing of Virdivis FB-1000 at various concentrations compared to CLR.
Date Run:
11/11/2024
Experiment Procedure:
Four marble blocks (2"x2") were tested using solutions of FB1000 at concentrations of 10%, 2%, and 1%, as well as CLR at 50%. Initial weights of the blocks were recorded before immersion. Each block was submerged in its designated solution within a beaker, and observations of dissolution, discoloration, or other changes were documented at 1, 5, 10, 15, and 30-minute intervals. After 30 minutes, the blocks were rinsed under deionized water for 15 seconds and dried with a heat gun set to 500°F for two minutes. The blocks were then allowed to cool to room temperature for two hours. Final weights were measured, and observations of any additional changes were recorded.
Trial Results:
Code
Cleaner
Dilution
A
CLR
50%
B
FB-1000
10%
C
FB-1000
2%
D
FB-1000
1%
Cleaner
Initial wt
Final wt
Wt loss
Time (min)
Observation
A
16.0441
15.1640
0.8801
1
Very fizzy; cloudy
5
Very fizzy; still cloudy
10
Very fizzy; very still cloudy
15
Very fizzy; very still cloudy
30
Very fizzy; very cloudy; soft
B
15.7732
15.6949
0.0783
1
a little cloudy
5
cloudy; fizzy
10
cloudy; fizzy
15
cloudy; not as much fizz
30
very cloudy
C
15.8808
15.8460
0.0348
1
no change
5
no change
10
small fizz; little cloudy
15
small fizz; little cloudy
30
small fizz; cloudy
D
16.1105
16.0973
0.0132
1
no change
5
no change
10
little fizz
15
little fizz
30
little fizz
CLR (50%) produced a stronger reaction and resulted in greater marble dissolution compared to the FB-1000 dilutions. It also changed the color of the marble from light brown to a deeper brown after rinsing with DI water and drying. In contrast, the FB-1000 dilutions did not alter the color of the marble blocks like CLR did, but there was still measurable weight loss on each block, even though the reaction and weight loss amount decreased with the lower concentrations.
Success Rating:
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
Conclusion:
The FB-1000 concentrations demonstrated effectiveness in dissolving marble blocks, indicating their potential as a calcium remover or descaler. Among the tested dilutions, the 10% solution was the most effective and showed performance closest to the comparative product, CLR (50%).
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