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$Refractometers$
- high accuracy in a single parameter tester for pH, EC, TDS, temperature, and more Multiparameter testers are also available, eliminating the hassle of carrying multiple testers The testers have easy to read LCDs and durable outer casings They are able to measure in places with a high percentage of humidity, and low power demand allows a long battery life, eliminating the need for frequent battery replacement

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Call:+27 10 972 2846 / +27 10 449 3260

$Refractometers$
- high accuracy in a single parameter tester for pH, EC, TDS, temperature, and more Multiparameter testers are also available, eliminating the hassle of carrying multiple testers The testers have easy to read LCDs and durable outer casings They are able to measure in places with a high percentage of humidity, and low power demand allows a long battery life, eliminating the need for frequent battery replacement

n-Heptane AR -25Lt

Name: n-Heptane AR -25Lt
SKU: n-heptane-ar-25lt
Availability: InStock

n-Heptane AR is a high-purity analytical reagent grade aliphatic hydrocarbon solvent used in analytical chemistry, quality control, and laboratory research. It is valued for its non-polarity, low reactivity, and consistent purity, making it suitable for sensitive analytical applications.

Chemical Name: n-Heptane
Synonyms: Heptane, Normal Heptane
Formula: C₇H₁₆
Molecular Weight: 100.20 g/mol
CAS Number: 142-82-5
Grade: AR (Analytical Reagent)
Appearance: Clear, colourless liquid
Odour: Mild hydrocarbon odour
Solubility: Insoluble in water; miscible with most organic solvents

R7900.00

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n-Heptane AR -25Lt

This item: n-Heptane AR -25Lt

R7900.00

Ammonium Ferrous Sulphate -500g

1 × Ammonium Ferrous Sulphate -500g

R595.13

Ammonium Chloride -500g

1 × Ammonium Chloride -500g

R293.60

Ammonium Thiocyanate AR - 500g

1 × Ammonium Thiocyanate AR - 500g

Ammonium thiocyanate is a white‑to‑colourless crystalline salt that dissolves readily in water and many polar organic solvents. Supplied in Analytical‑Reagent (AR) grade, it provides high‑purity thiocyanate ions for complexometric analysis, photographic processing, metallurgy, and synthetic chemistry.

R3500.00

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Description

Uses:

Analytical chemistry and reference solvent
Determination of octane number (reference fuel component)
Cleaning and degreasing of laboratory equipment
Solvent in organic synthesis and extraction procedures

Key Features

Analytical Reagent (AR) grade for reliable and reproducible results
Non-polar solvent with low chemical reactivity
Consistent composition and purity
Suitable for chromatography, extraction, and cleaning applications
Widely accepted reference solvent in analytical laboratories

SDS Summary

Hazard Classification: Flammable liquid (GHS Flammable)
Health Hazards: May cause skin and eye irritation; inhalation of vapours may cause dizziness or drowsiness
Aspiration Hazard: May be fatal if swallowed and enters airways
Environmental Hazards: Toxic to aquatic life with long-lasting effects

Precautionary Measures:
Keep away from heat, sparks, and open flames. Use only in well-ventilated areas. Wear appropriate PPE.

Storage & Disposal:
Store in a tightly closed container in a cool, well-ventilated area. Dispose of according to local regulations.

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