Kadaddan pH

Kisan gaskiya, karbondaksidin da kwallon oksijen suna daɗi da mutanen ƙima da suke bayarwa. Su ƙunshi matsalolin acid base a cikin jiki. Idan ƙari pH ya zama kadan 7.35 yana nuna acidosis da rike na ƙasa. Zai iya canzawa ta tare da amfani da ventilator. Amma idan pH ya fi 7.60 yana faru alkalosis. A wannan lokacin ɗin, ventilators sun amfani a kan ilallalin alkalosis.

Meter pH

Daga baya ce an yi a cikin Goldman equation, tsariyar potenshiyal na membran mai shiga da tsarin ion mai shiga da tsariyar electrolyte. Balancin kimiyar a cikin jiki yana nuna saboda pH na blood da sauran abubuwa. Saboda haka, pH yana nufin concentration na hydrogen ion a cikin abu. Meter pH yana ci gaba da acid da ba a cikin abu. Idan a solution ya ƙoƙarin, yana da pH value na 7, idan yake ƙara 7 yana nuna cewa ita acid, amma idan yake ƙara 7 yana nuna cewa ita basic solution. Wani meter pH yana da membran mai girma wanda yana bi hydrogen ions kawai za su shiga. A cikin glass electrode yana da membran interface don hydrogen ions.

A ƙarshen meter pH yana da bulb mai girma wanda ake samu a cikinsu buffer solution mai kyau. Glass tube yana da Ag/AgCl electrode da calomel reference electrode. Ana saka shi a cikin abu da za su ci pH. Across two electrodes, potential an samu. Electromechanical measurement an samu a bayan two electrodes yana nufin half-cell and potential of the electrode is half-cell potential. A wannan setup, glass electrode a cikin glass tube yana ƙunshi wata half – cell da reference electrode yana ƙunshi wasu. Don ci pH da rahotanni, an amfani da combination na electrodes. Glass electrodes sun amfani a ci pH values up to 7. Wadannan abubuwa na pH electrodes sun amfani idan glass electrodes sun haɗa error.

Digital pH meters sun amfani da su. Yana ci pH a duk farenna. Meter pH yana da glass (active) electrode terminal da Ag/AgCl (reference) terminal. Potassium chloride an amfani da shi a cikin electrolyte solution. A salt bridge dipped in the KCL solution consists of a fiber wick at the tip of reference electrode. Active terminal an saki shi da glass wanda ake samu hydrated glass layer. Duk waɗannan electrodes suna ƙunshi a cikin wata glass tube kamar yadda aka bayar a baya.

pO2 and pCO2 Measurement

Partial pressure for oxygen and carbon dioxide are denoted as pO2 and pCO2 and they are important physiological chemical measurement. pO2 and pCO2 are analyzed for functioning of respiratory and cardiovascular system. The partial pressure of gas is directly related to the quantity of gas present in the blood.

pO2 Measurement

A wannan measurement, platinum wire yana ƙunshi active electrode. Su ne da glass don insulation, amma mafi girman takaitaccen yana fito. Oxygen yana shiga a cikin electrolyte solution. Ag/AgCl yana ƙunshi reference electrode. Bayan platinum wire da reference, voltage of 0.7 V an amfani. Active electrode an saka shi a negative terminal through micro ammeter and reference electrode an saka shi a positive terminal. A platinum electrode, oxygen reduction yana faru saboda connection na negative terminal. Amount of oxidation – reduction current yana dace da partial pressure of oxygen present in the electrolyte. An samu ta tare da micro ammeter.

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