The P.A.R. 0.1% Indicator Solution (Pyridylazo Resorcinol) by Dinâmica, available at LojaLab, is a 0.1% indicator solution of 4-(2-pyridylazo)resorcinol, known as P.A.R., used as a chromogenic reagent and metallochromic indicator for metal-cation determinations. P.A.R. forms intensely colored complexes with numerous metals, a property used in photometric and complexometric methods.
Characteristics
- Nominal P.A.R. concentration of 0.1%;
- Chromogenic component: 4-(2-pyridylazo)resorcinol;
- Suitable for forming colored complexes with a broad range of metal cations.
Applications
- Photometric metal determinations by complexation with P.A.R.;
- Complexometric titrations using P.A.R. as an indicator;
- Colorimetric metal-cation assays, including methods for zinc and lead.
Technical Specifications
- Product: P.A.R. 0.1% Indicator Solution (Pyridylazo Resorcinol)
- Brand: Dinâmica
- Concentration: 0.1%
- Indicator component: 4-(2-pyridylazo)resorcinol (P.A.R.)
- P.A.R. CAS: 1141-59-9
- P.A.R. molecular formula: C11H9N3O2
- P.A.R. molar mass: 215.21 g/mol
- Available volume: 100 mL
Technical Data
| Type | Chromogenic indicator solution |
|---|
| Nominal concentration | 0.1% |
|---|
| Main component | P.A.R. |
|---|
| Presentation | 100 mL |
|---|
Frequently Asked Questions
What is P.A.R. 0.1% Indicator Solution (Pyridylazo Resorcinol) used for?
P.A.R. 0.1% Indicator Solution (Pyridylazo Resorcinol) is used for colorimetric or photometric determination of metal cations through complex formation with P.A.R. and in compatible complexometric methods.
What are the main characteristics of P.A.R. 0.1% Indicator Solution (Pyridylazo Resorcinol)?
P.A.R. 0.1% Indicator Solution (Pyridylazo Resorcinol) contains 0.1% P.A.R., a C11H9N3O2 compound with a molar mass of 215.21 g/mol known to form colored complexes with numerous metals.
Why is the P.A.R. in P.A.R. 0.1% Indicator Solution (Pyridylazo Resorcinol) useful for photometric metal determinations?
The P.A.R. in P.A.R. 0.1% Indicator Solution (Pyridylazo Resorcinol) acts as a chromogenic agent: complexation with metal cations generates colored species whose response can be related to metal concentration in compatible photometric methods.
What volumes of P.A.R. 0.1% Indicator Solution (Pyridylazo Resorcinol) are available?
P.A.R. 0.1% Indicator Solution (Pyridylazo Resorcinol) is available in 100 mL. 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 P.A.R. 0.1% Indicator Solution (Pyridylazo Resorcinol) and request a formal quotation?
Companies, laboratories, educational institutions, and research organizations can purchase P.A.R. 0.1% Indicator Solution (Pyridylazo Resorcinol) 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.
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