A standardized 25 percent barium chloride solution is used in analytical chemistry and industrial processing where consistent reagent concentration and solution stability are critical. Prepared from barium chloride dihydrate dissolved in purified water, the clear, colorless liquid is intended for sulfate detection and other laboratory analyses.
The solution is formulated at a concentration of 25 percent by weight, containing 21.4 percent barium chloride dihydrate. It is supplied in 1-liter bottles and appears as a clear, transparent liquid with no color or odor.
At room temperature, the solution is described as chemically stable and readily soluble in water. Its uniform composition is intended to simplify laboratory preparation and support consistent analytical results.
| Parameter | Specification |
|---|---|
| Chemical formula | BaCl₂ |
| Solution concentration | 25% (contains 21.4% barium chloride dihydrate) |
| Packaging | 1 L per bottle |
| Physical state | Clear, transparent liquid |
Because of its solubility and chemical activity, the solution is used in several laboratory and industrial contexts.
- Sulfate ion detection: Barium ions react with sulfate to form barium sulfate precipitate, enabling qualitative or quantitative analysis.
- Analytical chemistry research: The solution is used as a common laboratory reagent or solvent for various chemical tests.
- Industrial production: It is suitable for commercial applications that require a specific barium chloride concentration.
In sulfate detection, the formation of barium sulfate precipitate allows analysts to identify or quantify sulfate ions in a sample. The reaction is central to several established analytical methods.
Beyond the standard 25 percent concentration, uniform solutions can also be prepared at specified concentrations, ranging from the maximum stoichiometric concentration to a requested level. This allows the formulation to be adjusted for particular experimental or production requirements.
Barium chloride is a controlled chemical, and shipments are subject to hazardous materials regulations. Specialized transport support is required to ensure that the solution is handled and delivered in compliance with applicable safety rules.
Recipients are expected to confirm that their laboratory or factory is authorized to receive such chemicals before purchase. The solution should be handled in accordance with standard laboratory safety practices for barium chloride.

