Press "Enter" to skip to content

Is dye a pure substance or a mixture?

Dyes that consist of more than one substance are called mixtures, while the dyes that have only one type of particle are known as pure substances. You can see that dye A, C and D are pure substances, whilest dye B is a mixture of two different dye particles of blue and red colour.

Can bronze be separated by physical means?

alloys cannot be separated by physical means, though it is considered as a mixture.

What chemicals are used to make detergents?

The ingredients used in the manufacturing of liquid detergents are usually caustic soda, sulphonic acid, perfume and water.

What are the most toxic laundry detergents?

Arm & Hammer Plus OxiClean liquid laundry detergent earned an F score from EWG. It is not eco-friendly and contains toxic substances that are both harmful to our health and the environment. These harmful ingredients include; sodium borate, Quaternium-15, Fragrance, Disodium Distyrylbiphenyl disulfonate.

What are the raw materials used for detergent manufacture?

The main raw materials required for the manufacturing of detergent powder & cake are acid slurry, soda ash, soda bicarb, sodium tripolyphosphate, soap stone, sodium silicate, sodium sulphate, synthetic dye etc.

How do you make homemade washing liquid?


  1. 1 cup borax.
  2. 1 cup washing soda.
  3. 1 cup castile soap I use the lavender scent.
  4. 10-15 drops essential oil optional.
  5. 17 cups water.

Why Urea is used in liquid soap?

Urea in liquid detergent is added to improve solubility, i.e. It is a Hydrotop and act as an emulsifier between the lipophilic surfactant molecules and water (solvent).

How do you mix CMC in water?

Operation method: Put CMC Powder in the container (note that the container must be dry), and fully moisten with 95% ethanol (to fully wet the CMC powder, usually 1gcmc powder plus ethanol). Then add water and stir quickly to achieve the desired result quickly.

Does CMC expire?

Some CMC powders give a year’s shelf life. I have had some for several years with no problem, providing it is kept totally dry.

Is CMC natural?

Carboxymethyl cellulose (CMC) is an anionic water-soluble polymer obtained from cellulose. As the material is derived from natural cellulose, it exhibits gradual biodegradability and can be incinerated after use, making it a very environmentally friendly material.

How do you dissolve CMC powder in water?

The key to dissolving carboxymethylcellulose is to add the solid carefully to the water so that it is well dispersed (well-wetted). Adding the solid in portions may be necessary. Adding water to the dry solid produces a “clump” of solid that is very difficult to dissolve; the solid must be added to the water.