mineral oil hlb

1220 5 beeswax accounts for a HLB of 3 in this formulation. 14 ----- Beeswax.

The Hydrophilic Lipophilic Balance Hlb Contribution By Individual Download Scientific Diagram

So the oil phase makes up 20 of the formulation so.

. Record the proportions and amounts of each surfactant you used. Mineral spirits 30 x req. An HLB Calculator is one tool used in determining the emulsifiers used a formulation.

Hlb 6 30 chlorinated paraffin. HLB stands for Hyrdrophile Lipophile Balance. The required hlb of the combination can be calculated as follows.

15 ----- Stearyl alcohol. The Rx consists of 50 wv mineral oil 50g100mL and is written for 120mL g mL mL g 60 100 120 50. Isopropyl Myristate 11520 5 Isopropyl Myristate accounts for a HLB of 288.

A Determine the required HLB. 50 X Required HLB 6 30. An HLB Calculator is one tool used in determining the emulsifiers used a formulation.

The HLB value of the emulsion with the least dispersion ratio or the least percentage increase in mean droplet diameter was taken as the required HLB of the respective essential oil. Tween-80 molecular weight is 4286. The turbidimetric method was validated by the existence of correlation r-0958 between the mean droplet diameter and the turbidity of the emulsions.

See below Before we label our variables we need to determine the mass of mineral oil used in the Rx. 14 ----- Lanolin anhydrous. HLB TOTAL OF OIL PHASE FOR THAT INGREDIENT.

Using equal volumes of heavy mineral oil and distilled water prepare 100 ml of an ow emulsion using a blend of nonionic surfactants Spans Tweens. When a maker is faced with formulating an emulsion there are many different emulsifiers that can be used. Hlb 14 28 _______ estimated hlb for emulsifier system 100 you should ckeck this estimated value with a few exploratory tests.

A specific HLB called. The length of the alkyl chain influences the CMC and HLB value and these become important considerations when selecting the right chemical-type for your emulsion. We calculate the water loving portion of the surfactant on amolecular weight basisand then divide that number by 5 this keeps the HLB scale smaller and more manageable the working scale is from 05 to 195 this number is then assigned to the nonionic surfactant Here is an example of an HLB value calculation.

Almond Oil 620 10 Almond Oil accounts for a HLB of 3 in this formulation. Emulsifiers with HLB values greater than 10 are more hydrophilic and thus better at stabilizing ow emulsions. Mineral oil light.

The most common type of emulsion is an oil in water with the less common being water in oil. It is easily soluble in water soluble in ethanol vegetable oil ethyl acetate methanol and insoluble in mineral oil. HLB stands for Hyrdrophile Lipophile Balance.

The most common type of emulsion is an oil in water with the less common being water in oil. Hlb 14 42 cottonseed oil 50 x req. The HLB values of some of the most frequently used surfactants are shown in Table 111.

Select your oil phase and determine its Required HLB from the table4 Mineral Spirits. The HLB scale ranges from 0 to 20 with 10 corresponding to an emulsifier that is equally attracted to water and oil. 90100 X 7 09 X 7 63 10100 X 155 01 X 155 155 The required HLB of our oil phase is the sum of these numbers or 785 Lets make the Oil Phase more complex.

HLB value is 150. Up to 24 cash back For the same oil the required HLB value for OW emulsion is higher than the required HLB value for WO emulsion. The seleted surfactant andor co-surfactant.

When a maker is faced with formulating an emulsion there are many different emulsifiers that can be used. A polyglycerol comes from castor oil with 3 glycerol units animal fat or vegetable oil and 2 units of isostearic acid a fatty acid from animal or vegetable that comes from a reaction of oleic acid with a mineral catalyst Polysorbate 20. The average HLB required to make an oil in water emulsion of mineral oil is 12.

Total required HLB number Mineral oil 946100 x 12 114 Wool fat 27100 x 10 03 Cetyl alcohol 27100 x 15 04 Total required HLB 121 This formulation requires an emulsifying agent blend of HLB 121 sorbitan monooleate 43 polyoxyethylene sorbitan monooleate 15. Necessary hydrophile-lipophilic balance RHLB. B Determine the amount of Tween 60 HLB149 and Span 60 47 required to reach this HLB.

To calculate the required HLB of the Oil Phase we multiply the percentage of each oil in the Oil Phase by its respective required HLB and sum the results. 30 X Required HLB 14 42 Cottonseed Oil. Tween-80 is light yellow to amber oily viscose liquid non-toxic.

In contrast emulsifiers with HLB values less than 10 are more hydrophobic and therefore better suited for wo emulsions. The ratios of mineral oil and water are needed to specify first in order to know types of emulsifier you would like to get Winsor Type I or II or else. Is required for the oil phase of an oil in water ow type emulsion.

A different RHLB is required to form an oil-in-water wo type emulsion with the same oil phase.

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