Potassium AA Standard 1000ppm (in 0.5N HNO₃) -500ml
Potassium AA Standard 1000ppm (in 0.5N HNO₃) is a high-purity reference solution designed for atomic absorption spectroscopy (AAS) and ICP-OES/ICP-MS calibration. The potassium metal content is precisely dissolved in a nitric acid matrix to ensure chemical stability and analytical accuracy.
Chemical Name: Potassium Atomic Absorption Standard Solution
Chemical Symbol: K
Concentration: 1000 mg/L (1000 ppm)
Matrix: 0.5N Nitric Acid (HNO₃)
Appearance: Clear, colorless solution
Description:
pH Buffer 9 is a precision buffer solution with a stable and accurate pH value of 9.00 ±0.02 at 25°C, used for the calibration and verification of pH meters and electrodes. It ensures accurate measurements in both laboratory and field applications.
Composition:
Aqueous solution containing a borate buffer system (commonly sodium borate and potassium chloride) prepared with high-purity deionized water and stabilizers for long-term accuracy.
Appearance:
Clear, colorless solution
Uses:
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Calibration of AAS, ICP-OES, and ICP-MS instruments
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Preparation of working standards for potassium determination
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Quality control in environmental, food, and agricultural laboratories
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Used in nutrient analysis, water testing, and geochemical studies
Key Features:
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Certified 1000 ppm potassium solution traceable to NIST standards
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Stable matrix in 0.5N nitric acid for accurate and consistent results
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High-purity preparation for minimal background interference
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Suitable for routine and trace-level metal analysis
Safety / Handling:
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Corrosive due to nitric acid content
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Avoid contact with skin, eyes, and clothing
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Store tightly closed in a cool, well-ventilated area
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Use appropriate PPE: gloves, goggles, and lab coat
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Dispose of according to local hazardous waste regulations
| Weight | 1 kg |
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