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VWR Potassium chloride 99.5-101.0%, AnalaR NORMAPUR® Reag. Ph. Eur. analytical reagent
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Specifications:
| Application | Analytical Chemistry | ||
| Storage Temperature | Ambient | ||
| Product Type | Laboratory Chemical | Forms | Powder |
| Product Brand | VWR | ||
| Product Grade | Analytical grade | Formula | KCl |
VWR Potassium Chloride (KCl), AnalaR NORMAPUR® Reag. Ph. Eur., is a high-purity reagent with an assay range of 99.5–101.0%, conforming to European Pharmacopoeia (Ph. Eur.) standards. This white crystalline solid is ideal for analytical chemistry, buffer preparation, physiological studies, and pharmaceutical manufacturing processes that require strict control of ionic strength and high-grade materials.
Key Features and Benefits
- Meets Reag. Ph. Eur. and AnalaR NORMAPUR® standards for quality and compliance
- High-purity assay range of 99.5–101.0% (on dried basis)
- Low levels of trace elements and heavy metals ensure analytical reliability
- Broad pH range compatibility (5.0–8.0) for flexible buffer formulations
- Stable and non-hygroscopic; easy to handle and store
Applications
- Preparation of physiological and isotonic solutions
- Standard electrolyte in analytical and clinical chemistry
- Buffering and pH control in biochemical assays
- Reagent in pharmaceutical quality control and formulation
- Calibration and titration standards in laboratory settings
Technical Specifications
| Property | Specification |
|---|---|
| Assay (dried substance) | 99.5 – 101.0% |
| Appearance of Solution S | Passes Ph. Eur. test |
| Identification A & B | Passes Ph. Eur. test |
| Acidity or Alkalinity | ≤ 0.0005 meq/g |
| pH (5% solution) | 5.0 – 8.0 |
| Heavy Metals (as Pb) | ≤ 5 ppm |
| Insolubility in Water | ≤ 100 ppm |
| Loss on Drying (105 °C) | ≤ 1.0% |
| Mg and Alkaline Earth Metals (as Ca) | ≤ 0.02% |
| Total Nitrogen (N) | ≤ 40 ppm |
| Bromide (Br⁻) | ≤ 0.1% |
| Iodide (I⁻) | ≤ 20 ppm |
| Phosphate (PO₄³⁻) | ≤ 5 ppm |
| Sulphate (SO₄²⁻) | ≤ 50 ppm |
| Aluminium (Al) | ≤ 10 ppm |
| Arsenic (As) | ≤ 0.5 ppm |
| Barium (Ba) | ≤ 10 ppm |
| Calcium (Ca) | ≤ 10 ppm |
| Copper (Cu) | ≤ 2 ppm |
| Iron (Fe) | ≤ 2 ppm |
| Sodium (Na) | ≤ 0.03% |
| Boiling Point | 1420 °C (at 1013 hPa) |
| Melting Point | 773 °C |
| Density (20 °C) | 1.98 g/cm³ |
| Storage Temperature | Ambient |
| Merck Index | 14,07621 |
| EINECS Number | 231-211-8 |
Packaging Information
| Catalog Number | Pack Type | Quantity |
|---|---|---|
| 26764.232 | Plastic bottle for solids | 250 g |
| 26764.260 | Plastic bottle for solids | 500 g |
| 26764.298 | Plastic bottle for solids | 1 kg |
| 26764.367 | Plastic bottle for solids | 5 kg |
VWR Potassium Chloride AnalaR NORMAPUR®, Reag. Ph. Eur., provides premium-grade purity and consistency for laboratories requiring strict compliance with pharmacopoeial standards. It is ideally suited for buffer systems, electrolyte preparations, and high-precision analytical protocols in pharmaceutical, biochemical, and academic environments.
- Pack Size: 250g 1kg 5kg 500 Grams