Which titrant is used in assay of boric acid?

Which titrant is used in assay of boric acid?

For assay: weigh accurately about 2 gm of boric acid and dissolve in a mixture of 50 ml of water and 100 ml of glycerol previously neutralized to phenolphthalein solution. Titrate the contents of the flask with 1 N sodium hydroxide solution using phenolphthalein as indicator.

What is boric acid glycerin?

From Wikipedia, the free encyclopedia. Boro-glycerine is a transparent yellow, tasteless, compound of boric acid and glycerine. It is a powerful antiseptic and is used primarily in oral and dental applications. Historically, it was also used in the preservation of food.

What is boric acid used for?

In laboratory procedures, boric acid is used in the preparation of buffer solutions. Boric acid is also used as a fungicide and as an insecticide powder. Domestic use may include its application as an insecticide for crawling insects such as roaches.

What is the function of boric acid?

Boric acid is often used as an antiseptic, insecticide, flame retardant, neutron absorber, or precursor to other chemical compounds. It has the chemical formula H3BO3 (sometimes written B(OH)3), and exists in the form of colorless crystals or a white powder that dissolves in water.

What do you use boric acid powder for?

Boric acid is commonly used in detergents, fertilizers and hand soaps. It is also used as an eye wash, and is found in apples, bananas, nuts and even beer. But one of the major uses of boric acid is for control of cockroaches. When cockroaches come into contact with boric acid powder or dust it clings to them.

Why mannitol is added in titration of boric acid?

To improve the quality of the titration by a strong base, mannitol is added to the sample to form a complex with boric acid resulting in a medium-strong acid compound with a unique pH jump. This method is suitable for the determination of boric acid in the range of 0.15 to 3.00 g/L.

What is the role of boric acid in powder preparations?

What is the purpose of boric acid and glycerine?

Jump to navigation Jump to search. Boro-glycerine is a transparent yellow, tasteless, compound of boric acid and glycerine. It is a powerful antiseptic and is used primarily in oral and dental applications. Historically, it was also used in the preservation of food.

Can you use borax dissolved in glycerine?

Finely ground borax is dissolved in glycerin and the solution is ready for use (Ref. IP 66) Boro-glycerine can also be used as a suitable base in controlling the setting time of Zinc Oxide pastes whilst taking a dental impression.

How is boro glycerine used as a mouth wash?

It is also frequently used as a wash for the care of the mouth in unconscious patients. Preparation – It comprises 88% glycerin and 12% borax. Finely ground borax is dissolved in glycerin and the solution is ready for use (Ref. IP 66)

Which is better DITM or boric acid preserved urine?

Colony counts were higher in 24 of the 140 sterile cup specimens than matched DITM specimens, lower in 5 of the specimens, and comparable in the remaining 111 specimens. Boric acid-preserved specimens had lower colony counts than DITM in 2 of 40 specimens, but comparable counts in the remaining 38.

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