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

฿1,800.00
Service Steps
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.)

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) -
Dosage (Per Day) -
Mix Method -
Heat Resistance -
Stable in pH range -
Solubility -
Product Types -
INCI -
Service Steps
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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