Rheological characterization of microcrystalline cellulose dispersions: Avicel RC G. J. BROWNSEY. Dr G. J. Brownsey, Food Research Institute, AFRC. 1. 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Middle East Amman, Jordan Tel: + 6 Fax: + 6 Latin America Montevideo, Uruguay. Material Safety Data Sheet. Avicel ® RC Suspension. SDS #: B. Revision Date: Version FMC BioPolymer.

Author: Sazragore Taumi
Country: Comoros
Language: English (Spanish)
Genre: History
Published (Last): 3 February 2017
Pages: 22
PDF File Size: 6.35 Mb
ePub File Size: 4.32 Mb
ISBN: 931-2-68095-601-8
Downloads: 67105
Price: Free* [*Free Regsitration Required]
Uploader: Faushicage

High-speed mixer Avicel – Add Avicel to the water while agitating. Depends on ph of system Incompatibility with drug agicel suspending agent. It is prepared by chemical depolymerization of highly purified wood pulp.

The particle size of the drug plays a significant part in determining formulation elegance, rate agicel settling, absence of caking, rate of drug release and final stability of the product. This section describes tech- niques and critical factors in dispersing Avicel colloidal and demonstrates aavicel attributes clue to proper and improper dispersion. However, when we apply force to a fluid, it More information. Stable over rv pH i Possesses thixotropic range.

Consideration of this phenomenon and formulating with an optimum colloidal Avicel level will result in a well structured suspension vehicle that will not exhibit any phase separation for When a force is applied to a liquid, the liquid will flow More information. However, water is usually the dispersion medium, and since added ingredients do not change its density to a great extent, i.

Dynamic viscosityphase angle, and tan are additional viscoelastic parameters one can measure to explain the viscoelastic properties of a suspension. Please upgrade your plan for more points.

Avicel RC/CL, Microcrystalline Cellulose and Carboxymethylcellulose Sodium, NF, BP

Oral suspensions usually have the active drug, which is insoluble or poorly water soluble, dispersed in water liquidwhich is the gc phase. The best protective colloids for use with Colloidal Avicel are: The formulator must select the suspending agent best suited to support the drug in either a flocculated or deflocculated state.


Alginate systems exhibit pseudoplastic behavior. Unique natural appearance Renewable, avicwl, odourless, pure plant starch as main component in the shell Only plant derived ingredients free of. Solubility of rganic Compounds bjectives: Polymers, on the other hand, are needed in small amounts to meet the viscosity requirements and have the added advantage of being non-newtonian in nature, i.

Avicel Rc Exporters Importers & Export Import Data

The main objective is to avoid competition for available water. This mechanism is gaining recognition and was reviewed by Hem and White. SCOPE This Standard applies to dairy fat avicle intended for use as spreads for direct consumption, or for further processing, More information. We will begin with the USP definition of suspensions, which are liquid preparations that consist of solid particles, dispersed throughout a liquid We will begin with the USP definition of suspensions, which are liquid preparations that consist of solid particles, dispersed throughout a liquid phase in which the particles are not soluble.

Do avlcel particles in this state have a definite More information. Preservative Can impart an objectionable taste and a feeling of numbness at high levels. This is beneficial in maintaining long-term stability. Can the particles in this state be compressed? Once the viscosifier is either completely dispersed or hydrated, add the glycerin to the same container. Flowability agent Anti-caking agent More information.

Based Heat Transfer Fluids More information. In real life one experiences shearing when the fluid is physically disturbed as in shaking, pouring, mixing, spreading and so on. The most efficient mixer, a Waring blender, is not considered standard production equipment in the pharma- To ensure that the preparation comply with product.


Solubility of Organic Compounds Objectives: However, they needed to be used in large amounts to achieve the required viscosity and these solutions are usually Newtonian in nature. Its viscosity is unaffected by temperature. Guidelines for Formulation of a Suspension Oral aqueous suspensions constitute the largest portion of suspensions marketed in the pharmaceutical industry.

What is a pure substance made of two or more elements svicel are More information. Additional information on the 4. Flowability agent Anti-caking agent.

Chapter 14 Solutions 1 I If your dispersion is flocculated, you will see gaps where no microcrystals are present.

A few planned experiments aviceo help you More information. For a faster and more efficient dispersion a high shear stator-rotor is preferred, Carlin Span and Tween Sorbitan esters and their ethoxylates Croda s unique expertise in ester technology and continuing commitment to customers has established the company as a world-leader in the supply of sorbitan.

Search Import Export Data of India

Waring and Blender – Dynamics Corp. Apparent Yield Stress Hydrocolloid dispersions have yield stress. Colloidal Avicel can be dispersed quickly in water in any pharmaceutical plant using standard low or high shear mixing equipment.

What is a pure substance made of two or more elements that are. One can measure viscoelastic parameters using a stress or strain rheometer in rrc the test material is subjected to a minimum deformation stress or strain.