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I'm a seasoned industrial engineer with a keen interest in machine learning. Here to share insights on latest industry trends.
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A solution of amino acid in water will exhibit both acidic and basic properties due to the amino (NH2) and carboxyl (COOH) functional groups present in amino acids. When dissolved, amino acids can exist in a charged state, known as zwitterions, where the amino group accepts a proton (H+) becoming NH3+, and the carboxyl group loses a proton becoming COO-. The exact behavior of the amino acid in solution depends on the pH of the solution and the particular amino acid's isoelectric point (pI), which is the pH at which the molecule has no net charge. At pH values below their pI, amino acids tend to be positively charged, while at pH values above, they are negatively charged. This unique property allows amino acids to act as buffers, helping maintain the pH levels in biological systems. Moreover, the solubility of amino acids in water varies with different side chains (R groups), affecting their interactions with water and other molecules in solution.
The cost of a cubic inch of PVC (Polyvinic Chloride) can vary widely depending on factors such as the type of PVC (e.g., rigid versus flexible), the supplier, and market demand. Generally, PVC is sold by length or weight rather than volume, making direct cubic inch pricing uncommon. However, considering the density of PVC, which is about 1.3 to 1.45 g/cm³, and translating that into a cubic inch volume (around 0.05 to 0.055 lbs), you can estimate the price by its weight in industrial or retail settings. Prices fluctuate, but for bulk purchases, PVC raw material costs might range from $0.50 to $2.00 per pound, implying a rough estimate for a cubic inch might be just a few cents. Retail prices for finished PVC products will be higher due to processing and shaping costs. It's advisable to contact suppliers or check the current market rates for precise pricing.
Titanium melts at about 1668C 3034F.
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