SPF UVA, UVB measurement service (Boots Star/PA eq.)
- Product Code: 7299
SPF UVA, UVB measurement service (Boots Star/PA eq.)
takes 1-2 days
Step | Procedure | Expected Result |
---|---|---|
1 | 0.01 g of sample was weighed in the beaker. |
To correct weight verified. |
3 | Add 50 ml of Ethanol , Stir the solution well and followed by ultrasonication for 10 minutes. |
Dissolving the sample and ethanol. |
4 | UV- Vis spectrophotometer with 1cm quartz cuvette was used to measure the absorbance of sample in the range of 250 to 650 nm and Ethanol was used as blank. |
The value of absorbance at each wavelength. |
5 | SPF value is determined by using Mansur equation: Final SPF value of the tested sample is calibrated with SPF values of LA ROCHE-POSAY and ANESSA. Calibration Factor= 2.337 |
The value of SPF in the sample. |
5 | The sun protection level of sample was measured by boot star rating systems. |
The Protection Grade of PA in sample. |
You will receive a report for the SPF Value , PA Value fields when we provide this service
SPF UVA, UVB measurement service (Boots Star/PA eq.)
takes 1-2 days
SPF UVA, UVB measurement service (Boots Star/PA eq.)
It takes about 1-2 days to measure the results. By issuing a list according to the name of the measured product. The report can be used to register with the FDA to claim the effectiveness of sunscreen.
Take a sample volume of 30 g. The sample must be Homogeneous no segregation
Example of a measurement report
Mechanism | - |
Appearance | - |
Longevity | - |
Strength | - |
Storage | - |
Shelf Life | - |
Allergen(s) | - |
Dosage (Range) | - |
Recommended Dosage | - |
Dosage (Per Day) | - |
Recommended Dosage (Per Day) | - |
Mix Method | - |
Heat Resistance | - |
Stable in pH range | - |
Solubility | - |
Product Types | - |
INCI | - |
Step | Procedure | Expected Result |
---|---|---|
1 | 0.01 g of sample was weighed in the beaker. |
To correct weight verified. |
3 | Add 50 ml of Ethanol , Stir the solution well and followed by ultrasonication for 10 minutes. |
Dissolving the sample and ethanol. |
4 | UV- Vis spectrophotometer with 1cm quartz cuvette was used to measure the absorbance of sample in the range of 250 to 650 nm and Ethanol was used as blank. |
The value of absorbance at each wavelength. |
5 | SPF value is determined by using Mansur equation: Final SPF value of the tested sample is calibrated with SPF values of LA ROCHE-POSAY and ANESSA. Calibration Factor= 2.337 |
The value of SPF in the sample. |
5 | The sun protection level of sample was measured by boot star rating systems. |
The Protection Grade of PA in sample. |
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