Sumon Chandra Saha

7 Essential Checks Before Buying Laboratory Chemicals in Bangladesh

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Introduction: Buying laboratory chemicals in Bangladesh can be confusing and risky, especially for QC labs, pharmaceutical companies, universities, and research organizations. Many buyers struggle with questions like: Which brand is reliable? Which grade should I choose? Is this product original or fake? One wrong decision can lead to failed tests, repeated analysis, regulatory issues, and […]

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UV-Vis Spectrophotometer Lamp Replacement: A Step-by-Step Guide for Beginners

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๐Ÿ”ง UV Spectrophotometer Lamp Replacement Guide ๐Ÿงช Applicable for: Deuterium Lamp & Tungsten-Halogen Lamp โš ๏ธ Caution: Handle with care. Lamps are sensitive and may contain hazardous materials like mercury. ๐Ÿ” When to Replace Lamp hours exceed rated lifetime: Deuterium: ~1000โ€“2000 hours Tungsten: ~2000โ€“3000 hours Baseline drift increases Low light intensity or instability in absorbance Lamp

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