Histology
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Sodium Potassium Tartrate (4H2O) PA (Rochele’s salt)
- Controlled Hydration: With four water molecules, it provides ideal solubility in water.
- Buffering agent: Essential for maintaining pH in biochemical reactions and histological stains.
- Superior purity: PA classification that ensures reliability in laboratory results.
- Wide use: Used in laboratory techniques, including protein separation and purification.
- Availability: Available in 1000g and 500g bottles to meet different needs.

Sodium Potassium Tartrate (4H2O) PA (Rochele’s salt)
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Iron III (Ico) E Ammonium Sulfate 12H2O PA ACS – Iron Alum
- Fixing Agent: Iron III Sulfate (ICO) and Ammonium PA ACS is used as a tissue fixative in histological preparations.
- Stability in Solution: Maintains its chemical properties, making it ideal for use in coloring.
- Crystalline form: It is presented as hydrated crystals, which facilitates handling and dosage.
- Applications in Pathological Analysis: Crucial for the preservation and staining of samples in pathological analysis.
- Varied packaging: Available in 1000g and 500g bottles to suit laboratory needs.

Iron III (Ico) E Ammonium Sulfate 12H2O PA ACS – Iron Alum
Select options This product has multiple variants. The options may be chosen on the product page -
Aluminum Ammonium Sulfate (12H2O) PA ACS – 500g
- High purity PA ACS product, guaranteeing reactivity and efficacy.
- Acts as an effective coagulant in water treatment processes.
- Essential for chemical applications that require aluminum as a reagent.
- Practical 500g packaging, ideal for experiments and industrial use.
- Also used in food analysis and pharmaceutical formulations.
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Orcein – Powder – 10g
- Natural dye extracted from lichens, suitable for biological coloring.
- Used in histology techniques to highlight cell nuclei.
- Provides high-definition staining in microscopic preparations.
- High solubility in organic solvents, making it easy to prepare.
- 10g pack, ideal for low-consumption applications in the laboratory.
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Potassium Metabisulfite PA – 500g
- It has high ACS purity, guaranteeing quality for laboratory use.
- Widely used as a preservative and antioxidant agent in solutions.
- It is a reducing compound, essential in bleaching processes.
- Ideal for the food and beverage industries, especially in wine production.
- Supplied in a 500g bottle, practical for handling and storage.
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Anhydrous Monobasic Calcium Phosphate PA – 500g
- Excellent for microbiology and cell culture applications, promoting optimal growth of microorganisms.
- It works well in a variety of culture media formulations, increasing versatility in laboratories.
- Source of phosphorus and calcium, essential for cell development.
- Available in practical bottles, making it easy to use in laboratory environments.
- The product is tested to meet strict analytical quality standards.
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Calcium Phosphate Bibasic Anhydrous PA – 500g
- Ideal for cell culture and biotechnology applications, offering essential support for cell growth.
- Versatile, it can be used in a variety of areas, including chemical analysis and pharmaceutical formulations.
- High stability in solutions, allowing long periods of storage without loss of quality.
- Used as a source of calcium in food supplements and pharmaceutical products.
- It meets strict quality standards for laboratory use, guaranteeing reliable results.
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Potassium Ferrocyanide (3H2O) PA ACS – 500g
- Important as a reducing agent in chemical reactions.
- Used in heavy metal analysis due to its ability to form complexes.
- Stable in solution, guaranteeing reliable analysis results.
- Used in the manufacture of dyes and pigments.
- It has applications in various industries, including pharmaceuticals.
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Escarlat R (Biebrich) (CI. 26905) – 25g
- Acid dye ideal for staining in histology and microbiology.
- Stable in aqueous solutions, guaranteeing consistent results.
- Used in staining techniques such as Gram and cell staining.
- It has many applications in scientific research beyond microbiology.
- It meets regulatory standards, guaranteeing safety and efficacy.
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Trisodium EDTA PA – 500g
- Salt of EDTA, used as a chelating agent in laboratories.
- Important for removing unwanted metal ions from solutions.
- Used in various applications, including chemical and biological analysis.
- High purity, ensuring reliable results.
- Available in 500g jars, suitable for large quantities.
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EDTA (Acid) PA – 500g
- A chelating agent widely used to bind metal ions.
- Important in analytical and biological chemistry for stabilizing solutions.
- Used to remove metal contaminants from samples.
- Available in 500g bottles, suitable for high-demand applications.
- High purity, guaranteeing reliable analysis results.
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Sodium Bisulfite PA ACS – 500g
- Effective reducing agent, used in various chemical reactions.
- Used to preserve biological samples.
- Soluble in water, making it easy to use in aqueous solutions.
- Important in the preparation of organic and inorganic compounds.
- Available in 500g bottles, ideal for laboratory applications.
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Chromic Anhydride VI Pa (Anhydrous Chromic AC) – 250g
- Solid form: Presented as a dark red granular solid.
- Chemical properties: Classified as a powerful oxidizer, it reacts with various chemical compounds.
- Industrial use: Fundamental in chrome plating and ceramic manufacturing processes.
- Risk and safety: Handling requires special care due to its toxicity and corrosiveness.
- High purity: PA certified, guaranteeing high quality for laboratory applications.
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Orange G (CI. 16230) – 25g
- Stable chemical structure: Azo dye that retains its properties over time.
- Easy to handle: 25g bottle, ideal for small and medium-sized applications.
- Safe use: Follow appropriate safety regulations when handling chemical reagents.
- Wide-ranging laboratory applications: Used in various areas, including biochemistry and pathology.
- Cost-effective: Provides high-quality results at an affordable price.
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Sodium Tartrate (2H2O) PA – 500g
- High purity PA ACS salt, essential in analytical chemistry.
- Used to stabilize solutions and in titration processes.
- Soluble in water, making it easy to use in various chemical solutions.
- 500g pack, practical for laboratory use and analysis.
- Used in analysis and quality control methodologies.
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Sodium Sulphite Anhydrous PA ACS
- Reducing Agent: Effective in staining and fixing processes, preserving biological samples.
- High stability: Anhydrous form that increases solubility and effectiveness in aqueous solutions.
- High purity: Classified as PA ACS, guaranteeing quality and reliability in laboratory applications.
- Multipurpose: Suitable for various applications in analytical chemistry and molecular biology.
- Practical packaging: Available in 1000g and 500g bottles, making it easy to store and use.

Sodium Sulphite Anhydrous PA ACS
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Sodium Hydroxide 5% – 1000ml
- High concentration and purity solution, ideal for standardizations and titrations.
- Used in the preparation of alkaline solutions in various protocols.
- 1000ml bottle for practical use.
- Essential in neutralization and pH adjustment processes.
- Compatible with various reagents in chemical experiments.























