Hydrochloric acid

polycondensation of lactic acid is the modest reaction that forms lactide simultaneously by the decomposition processes and it is not used for the large production of PLA [19-22]. Back in the days, the direct polycondensation was assumed as the reaction that produces inadequate polymers with low molecular weight. But with the development of the condensation reaction, it can produce polymers with significantly high molecular weight [23-25]. Oligomer Polycondensation The lactic acid does the…

Green 2 Odour Characteristic 3 Taste Acrid 4 Size 4-5.5 cm. length 5 Texture Smooth Table No.7.2:- Physiochemical analysis of powder of Jasminum grandiflorum leaves S.No. Parameters Observation (%) 1 Loss on drying 0.6 2 Total ash value 7 3 Acid insoluble ash value 2.6 4 Water soluble ash value 1.25 5 Foaming index 22 (ml) Table No.7.3:- Consistency and color of Jasminum grandiflorum leaves extract Extract Color Consistency Ethanolic Dark Green Semi Solid Table No.7.4:-…

are unavailable for disinfection. ii. Free chlorine, which is the chlorine that is left over and is available to inactivate disease-causing organisms; it is a measure of the potability of the water. Free chlorine chemically refers to hypochlorous acid (HOCl) and the hypochlorite (OCl–) ion [36]. • Sensorex FCL Free Chlorine…

2.3 Dissimilitary nitrate reduction According to Croal et al., (2004), bacteria such as Shewanella oneidensis can reduce Nitrate (NO3-) for the purpose of assimilation and in this research is consider only those that engage in dissimilatory nitrate reduction Ammonium (DNRA). Which is the process of using (NO3-) as a terminal electron acceptor in anaerobic respiration. (NO3-)-reducing bacteria is mainly have habitat in freshwater and marine environments. They play significantly affect in the…

the exact phenolic groups contained in the extract. Total phenolic content in this assay is determined by measuring the discoloration of blue colored complex alkaline of Folin reagent using a spectrophotometer and the reading is expressed as gallic acid…

to as lime water or slaked lime is formed by reacting hydrated lime (calcium oxide, CaO) with water (H2O)[1] CaO (s) + H2O (l) ⇌ Ca(OH)2 (aq) (ΔHr = −63.7 kJ/mol of CaO) Calcium hydroxide is an economically favorable alkaline reagent to neutralize acid as it yields 2 moles of (OH)2 for every 1 mole of Ca(OH)2 (which is slightly soluble in water) when compared to sodium hydroxide [1] and it may separate from the solution ‘constant agitation must be done to prevent the separation since calcium…

Day 2 of the experiment utilized Figure 5 to determine the metal cations present in an unknown solution #112. Each metal cation was confirmed or denied with ease, with the 2 cations present within Unknown #112 were correctly identified. Thus, Figure 5 was an accurate schematic to implement in this experiment. Following Figure 6, Unknown #112 was first added to HCl, forming a white, snow-like precipitate. The solution was decanted and separated to test the precipitate and solution, both of…

In this article we give a few tips to adequately unclogging a square toilet with a round plunger. The primary thing to acknowledge is that a standard sink plunger is most likely not going to be extremely compelling. This is on the grounds that it won’t have the capacity to make a watertight seal over the toilet deplete and will likewise be inclined to slippage. What you need is a unique kind of best toilet plunger called a flange plunger or pipe cup plunger. These plungers have an additional…

In 2014 alone, there were more than 42,700 people arrested for drunk driving across the state of Florida. As you are likely aware, the results from breath tests administered by the authorities are often used as grounds to make such arrests, and as evidence of intoxication at trial. In an effort to ensure the accuracy of these types of tests, the instruments used to conduct them are regularly inspected and calibrated. Breath tests used by law enforcement agencies in the state of Florida must be…

Prions, endospores, and mycobacterium all are extremely resistant to antimicrobial treatment. Prions are extremely small, even smaller than viruses. Heat or formaldehyde aren’t very effective against prions. Endospores are extremely resistant to harsh conditions as well. They can survive heat up to 100 degrees C, drying, radiation, and majority of chemicals. Mycobacterium are extremely resistant due to their waxy cell wall. This cell wall blocks many things from entering the bacteria, making it…