High Purity Barium Chloride (for Laboratory Use)

Product Overview
Hongjian Chemical specializes in developing high purity barium chloride for laboratory research and analysis needs. Using "recrystallization-zone melting" refining processes, the product achieves purity above 99.995% with heavy metal content below 0.5 ppm. Strictly adheres to ISO 17025 quality management system, providing complete traceability certificates to meet precise experimental requirements of research institutions and testing laboratories.

❋ Aliases: Crystalline Barium Chloride
❋ English Name: Barium Chloride, High Purity for Laboratory
❋ Chemical Formula: BaCl₂·2H₂O (dihydrate)
❋ Molecular Weight: 244.26 (dihydrate)
❋ CAS Number: 10326-27-9 (dihydrate)

Key Properties: Analytical reagent grade purity, extremely low heavy metal content, excellent crystal integrity, high batch-to-batch stability

Laboratory Grade Technical Parameters

Physicochemical Indicators

• Main Content (BaCl₂·2H₂O): ≥99.995%

• Moisture: 14.0-15.0% (conforms to theoretical value)

• Water Insolubles: ≤0.001%

• pH Value (5% aqueous solution, 25℃): 5.0-7.0

• Specific Optical Rotation: Non-optically active

Impurity Content Control (ppm)

Laboratory Application Guide

1. Analytical Chemistry Applications

• Sulfate Quantitative Analysis: As standard precipitant, forms BaSO₄ precipitate with sulfate, detection limit reaches 0.1 mg/L

• Gravimetric Analysis: Used for precise determination of sulfates in soil and water samples, relative standard deviation ≤0.5%

• Chromatographic Analysis: Ion chromatography system suitability verification, retention time deviation ≤1%

2. Teaching Demonstration Experiments

• Precipitation Reaction Demonstration: Produces characteristic precipitates with sodium carbonate, sodium sulfate, etc., with obvious phenomena

• Flame Test Experiment: Barium characteristic yellow-green flame, suitable for qualitative analysis teaching

• Water of Crystallization Determination: Demonstrates water of crystallization removal process through thermogravimetric analysis

3. Materials Science Research

• Single Crystal Cultivation: Grows BaCl₂·2H₂O single crystals by slow evaporation method, size up to 10×10×5 mm

• Functional Material Precursor: Used for preparing barium-based functional ceramics, superconducting materials

• Nanomaterial Synthesis: As template agent for preparing hollow structure nanomaterials

4. Reference Material Development

• Standard Solution Preparation: Used for instrument calibration like ICP-MS, AAS

• Proficiency Testing Samples: Standard reference materials for inter-laboratory comparisons

• Method Development Validation: Reference materials for new analytical method development and validation

Quality Assurance System

Production Quality Control

• Uses 99.99% high purity barium carbonate as raw material, ensures source purity

• Produced in clean room with environment cleanliness reaching Class 10000

• Full-process inert gas protection prevents product moisture absorption and oxidation

Testing Method Certification

• Main Content Determination: Gravimetric method (primary method)

• Heavy Metal Detection: Graphite Furnace Atomic Absorption Spectrometry (GF-AAS)

• Anion Analysis: Ion Chromatography (IC)

• Moisture Determination: Karl Fischer Method (KF)

Packaging and Storage

• Brown glass bottle packaging with double-layer internal sealing

• Nitrogen filling protection, includes humidity indicator card

• Recommended storage conditions: Temperature 15-25℃, relative humidity ≤40%

Safety Usage Instructions

Toxicity Warning

• Highly toxic chemical, LD50 (rat oral) ≈ 118 mg/kg

• Should wear protective glasses, gloves, and respirator when using

• Experiments should be conducted in fume hood

Waste Disposal

• Waste liquid should be collected uniformly, add sodium sulfate to generate insoluble BaSO₄ precipitate

• Precipitate should be treated as hazardous waste, handed over to qualified units for disposal

• Strictly prohibited from direct discharge into drainage systems

Emergency Treatment

• Skin Contact: Immediately rinse with plenty of water for 15 minutes

• Eye Contact: Rinse with physiological saline and seek medical attention

• Ingestion: Immediately drink magnesium sulfate solution and seek emergency medical care