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This study presents the result of quality assessment of some packaged table water sold in Nneochi metropolis. In this study, threedifferentbrandsofsachetwaterweresampled,physicallyexaminedandassessedfortheirphysicochemical parameters using standard analytical procedures to ascertain the level of compliancewith World Health Organization (WHO) and Standard Organization of Nigeria (SON) specificationfor drinking water. The results from the physical examinations reveals that none of the water brandsindicated the mineral composition, manufacturing date, expiry date and batch number, while all thewater brands had product name, manufacturers address and NAFDAC number. Furthermore, resultfrom physical analyses showed that total dissolved solid ranged from 46.0 – 128.0mg/l, conductivityranged from 92.0 – 251.0𝜇S/cm, temperature ranged from 25.6 – 27.1℃, total suspended solid andturbidity were found to be 0mg/l. Results from chemical analyses show that all the samples have pHrange of 6.4 – 7.2, calcium range from 3.60 – 7.210mg/l, chloride range from 7.0 – 11.340mg/l,magnesiumrangefrom0.40–4.790mg/l,totalhardnessrangefrom4.0–12.0mg/l,andtotalalkalinityrange from 15 - 250mg/l. The results of both physical and chemical analyses support the conclusionsthat, the pH, electric conductivity, temperature, total dissolved solid, total suspended solid, turbidity,hardness,chloride,calcium,magnesiumandalkalinityofthisstudyarewithintheacceptablelimitssetby WHO and SON for safe drinking water. Therefore, packaged table water in Nneochi metropolis issafefor consumption.
Keywords:NneochiMetropolis,Physicochemical,Sachetwater,Water
CHAPTER ONE
1.0 INTRODUCTION
1.1 BACKGROUND OF THE STUDY
Water is one of the essential commodities needed by all forms of life in ecosystem. It is themost abundant in the earth crust (about 75%).Despite its relative abundance, good qualitydrinking water is not readily available to man (Onweluzo and Akuagbazie, 2010). Sachetpackaged drinking water is very common in Nigeria. It is often found as a major source ofwateratfoodcanteensandsoldbymanyfoodvendorsinthecountry(AdiotomreandAgbale,2015). The non- availability of good quality drinking water has resulted in number of healthchallengesaswaterisknowntobeaprimarycausativeagentofmanycontagiousdiseases.Indevelopingcountriesoftheworld,80% ofalldiseasesandover30%ofdeathsarerelatedtodrinking water (Olaoye and Onilude, 2009; Onweluzo and Akuagbazie, 2010). This giveschance to private individuals to invest in the production of packaged drinking water (Dada,2009). Packaged table water can be referred to as ready to drink packed and machine-sealed water.Thiswaterisreferredtoas“purewater”bymanyofthelocalsinNigeriaandotherAfricanneighbouringcountrieslikeGhana,Niger ,BeninTogoetc(AdiotomreandAgbale,2015).Themainsourceofpackaged table water iswaterfromborehole,springs,tapsetc.Sachetwaterproducedin small scale industries is mainly treated by aeration, double or single filtration usingporcelain molecular candle filter or membrane filters and in rare instances, disinfection isapplied.Theleveloftreatmentgenerallydependsonthesourceofwater.
Waterissaidtobepotablewhenitsphysical,chemicalandmicrobiologicalqualitiesconformto specified standards (Onweluzo, and Akuagbazie, 2010). According to Federal Ministry ofHealthStatistics,onlyabout30%ofNigerianshaveaccesstopotablewaterwhiletheUnitedNationsestimatedthatabout1.2billion peopleallovertheworldlackaccesstopotablewater(Oyekuetal.,2011; Ajewole,2015).
However, physicochemical parameters are parameters that ascertain the quality of water.These parameters comprise the physical which can be access physically like colour, odour,taste, turbidity etc. and chemical parameters that can be determine using chemical test, e.g.chloride, alkalinity, free carbon dioxide, calcium, magnesium etc. Some of these parameterscan be determine by titrimetric method, while some using highly sensitive equipment likespectrophotometer, atomicabsorptionspectrometer (AAS)etc.
1.2 PROBLEM STATEMENT
Drinking water quality has always been a major issue in many countries, especially in developing countries (Assembly of Life Sciences, 2017). The World Health Organization in its “Guidelines for drinking water quality” publication highlighted at least seventeen different and major genus of bacteria that may be found in packaged table water which are capable of seriously affecting human health (WHO, 2016). The proportion of waterborne disease outbreaks associated with packaged table water has been increasing over the years (Moe &Rheingans, 2016). To solve this problem, the qualities of sachet water samples need to analysed. This study determines physio-chemical analysis of packaged table water samples taken from Nneochi metropolis. Physio- chemical analysis includes analysis of pH, total chlorine, and turbidity and total Iron.
1.3 AIM AND OBJECTIVES
AIM
The main aim of this study is to investigate the Physico-Chemical Properties of three brand of Sachet Water sold in Nneochi metropolis, in Abia State, South East Nigeria. This was achieved through the following objectives.
OBJECTIVES
To determine the concentration of pH, Chloride, Calcium, TotalHardness, Magnesium, Alkalinity etc. in sachet water
- To analyze the physio-chemical status of three different brand of sachet water sold in Nneochi metropolis
- To ensure that pure water consumed by the residence of the community is safe.
- To ensure that sachet water companies compliancewith World Health Organization (WHO) and Standard Organization of Nigeria (SON) specificationfor drinking water.
1.4 SCOPE OF THE STUDY
The present study has revealed that some of physico-chemical parameters of the sachet had values beyond the maximum tolerable limits recommended by WHO and SON. Thus, it calls for appropriate intervention, including awareness development work and improving the existing infrastructure in order to minimize the potential health problems of those communities currently realizing of the available water sources.
1.5 SIGNIFICANCE OF THE STUDY
This study is useful in increasing awareness about the importance of maintaining clean packaged table water by using easy and effective methods which will reduce the chance of pathogenic microorganism survival and disease transmission for the consumers residing in such environment. This study helps to ensure that the packaged table water that reaches the public is safe.
1.6 PURPOSE OF THE STUDY
The purpose of the present study was to ensure quality of packaged table water consumed by the residence of Nneochi metropolis is safe and free of concentration of heavy metals, chloride, chromium, pH, total suspended solid, alkalinity conductivity etc.
1.7 JUSTIFICATION
Water contamination has been the major problem in both urban and mostly rural area of Nigeria. All water contains natural contaminants, particularly inorganic contaminants that arise from the geological strata through which water flows and to a varying extent, anthropogenic pollution by chemicals.
Nneochi metropolis is a commercial area, and are such faced with a lots of pollution from both commercial and house hold activities. These pollutants contaminate the water found in this area. This is because, this pollutants are not properly managed and hence, could contaminate water source by underground movement of water. The intake of this contaminated water could lead to diseases such as diarrhea, typhoid, cholera etc. The above diseases have been the major problem associated with the people of Nneochi metropolis. This work aims at assessing the quality of sachet water.
1.8 LIMITATION OF THE STUDY
There are more than three packaged table water within Nneochi metropolis, but in this study the analysis is only carried out in three packaged table sold in the metropolis.
1.9 RESEARCH QUESTIONS
At the end of this work, student involved shall be able to give answers to the following questions:
- What are the types of heavy metals identified in packaged table water?
- What is water contamination?
- What type of bacteria is commonly found in packaged table water?
- What are the heavy metals common in packaged table water?
CONCLUSIONThe results obtained are supportive with the conclusions that, Various physio-chemical parameters like hardness, TSS, TDS, alkalinity, turbidity etc were analyzed using standard methods of APHA (1998). All the physicochemical parameters of the sachet water samples analyzed are within the acceptable limits set by WHO (2011) and SON for safe drinking water. However, none of the samples indicate expiry date, batch number, manufacturing date and mineral composition. The water samples can consider safe for drinking, but yet the manufacturers have to improve in the area highlighted above.
RECOMMENDATIONS
It is suggested that regular supervision of sachet water industries by regulatory agencies (NAFDAC, SON and NIS) to ensure the quality of sachet drinking water.
Regulatory agencies should make it necessary that all sachet water companies should have a standard laboratory for analysis of water before and after production. Moreover, the companies should properly label all relative concentrations of all the parameters being analysed.
CHAPTER TWO: The chapter one of this work has been displayed above. The complete chapter two of ''determination of the physicochemical properties of three packaged table water within nneochi metropolis'' is also available. Order full work to download. Chapter two of ''determination of the physicochemical properties of three packaged table water within nneochi metropolis'' consists of the literature review. In this chapter all the related work on ''determination of the physicochemical properties of three packaged table water within nneochi metropolis'' was reviewed.
CHAPTER THREE: The complete chapter three of ''determination of the physicochemical properties of three packaged table water within nneochi metropolis'' is available. Order full work to download. Chapter three of ''determination of the physicochemical properties of three packaged table water within nneochi metropolis'' detector consists of the methodology. In this chapter all the method used in carrying out this work was discussed.
CHAPTER FOUR: The complete chapter four of ''determination of the physicochemical properties of three packaged table water within nneochi metropolis'' is available. Order full work to download. Chapter four of ''determination of the physicochemical properties of three packaged table water within nneochi metropolis'' detector consists of all the test conducted during the work and the result gotten after the whole work
CHAPTER FIVE: The complete chapter five of ''determination of the physicochemical properties of three packaged table water within nneochi metropolis'' is available. Order full work to download. Chapter five of ''determination of the physicochemical properties of three packaged table water within nneochi metropolis'' detector consist of conclusion, recommendation and references.
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