The SPADNS Analytical Grade by Dinâmica, available at LojaLab, is a sulfonated azo dye used as a colorimetric reagent for fluoride determination by the zirconium-SPADNS system, particularly in water analysis, reagent-solution preparation, and development or verification of spectrophotometric methods.
Characteristics
- Sulfonated azo dye in trisodium-salt form.
- Formula C16H9N2Na3O11S3 and molar mass 570.41 g/mol.
- Participates in formation of the colored complex used in the zirconium-SPADNS method.
- Analytical Grade supplied in 25 g.
Applications
- Colorimetric determination of fluoride in water samples.
- Preparation of reagents for the zirconium-SPADNS method.
- Construction of analytical curves in spectrophotometric procedures.
- Development, verification, and teaching of fluoride-analysis methods.
Technical Specifications
- Product: SPADNS Analytical Grade.
- Brand: Dinâmica.
- Grade: Analytical Grade.
- CAS: 23647-14-5.
- Molecular formula: C16H9N2Na3O11S3.
- Molar mass: 570.41 g/mol.
- Available quantity or volume: 25 g.
Technical Data
| Class | Sulfonated azo dye |
|---|
| Chemical form | Trisodium salt |
|---|
| Analytical function | Colorimetric fluoride reagent |
|---|
| Package | 25 g |
|---|
Frequently Asked Questions
What is SPADNS Analytical Grade used for?
The main applications of SPADNS Analytical Grade include colorimetric determination of fluoride in water, preparation of the zirconium-SPADNS reagent, construction of analytical curves, and development or verification of spectrophotometric methods.
What are the main characteristics of SPADNS Analytical Grade?
The characteristics listed for SPADNS Analytical Grade include a sulfonated azo dye in trisodium form, formula C16H9N2Na3O11S3, molar mass 570.41 g/mol, Analytical Grade, and a 25 g package.
How does SPADNS Analytical Grade participate in colorimetric fluoride determination?
SPADNS Analytical Grade forms part of a colored system with zirconium. Fluoride interaction with this system changes the color intensity, allowing the spectrophotometric response to be related to concentration through appropriate calibration.
What quantities of SPADNS Analytical Grade are available?
SPADNS Analytical Grade is available in 25 g. For other quantities, recurring purchases, or larger requirements, contact the sales team to check availability and request a quotation.
How can companies and institutions purchase SPADNS Analytical Grade and request a formal quotation?
Companies, laboratories, educational institutions, and research organizations can purchase SPADNS Analytical Grade directly from LojaLab. For recurring purchases, internal approval processes, research funding, public procurement, or formal quotation requirements, contact the sales team.
Professional Use and Safety Guidance
This product is intended for professional use in scientific research, laboratory analysis, education, and compatible industrial applications.
Each product has its own handling, storage, and disposal requirements. Before use, consult the corresponding SDS and follow the manufacturer's instructions and the safety procedures adopted by the institution.
LojaLab provides guidance on product selection and provenance; defining the use protocol and verifying suitability for the final application are the responsibility of the purchasing professional or institution.
Brasil
