Determination of Potassium, Sodium, and Total Alkalies in Portland Cement, Fly Ash, Admixtures, and Water of Concrete by a Simple Flow Injection Flame Photometric System

Junsomboon, Jaroon; Jakmunee, Jaroon

doi:10.1155/2011/742656

Cited by 23 publications

(14 citation statements)

References 16 publications

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“…The content of alkalis is restricted since alkalisilica reaction (ASR) may occur. This reaction produces swelling gel products which exerts an expansive pressure inside concrete [45]. The content of MgO and P2O5 are presented in Fig 6 b and 5c, respectively, and it can be seen that the requirements are fulfilled by all studied fly ashes.…”

Section: Total Alkalis (Na+k) Mgo and P2o5mentioning

confidence: 79%

Applicability of Fly Ash from Fluidized Bed Combustion of Peat, Wood, or Wastes to Concrete

Ohenoja

Wigren²,

Österbacka

et al. 2018

Waste Biomass Valor

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Five different fly ashes originating from fluidized bed combustion of peat, wood and different type of wastes was studied by their chemical and physical characteristic to find out how they fulfill the requirements for concrete set by European EN 450-1 standard. Fly ash originating mostly from peat combustion is the only fly ash fulfilling all requirements for concrete without any treatments. For other studied fly ashes some chemical and physical characteristics are exceeded: most probably free CaO, sulfate, chloride, and fineness. Also the sum of main components (SiO2, Al2O3, Fe2O3) failed for other ashes than the one originating from mostly peat combustion. However, it should be kept in mind that requirements set by European standard is more restrictive than similar in America and some mechanical treatments are possible way to increase their utilization potential.

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Section: Total Alkalis (Na+k) Mgo and P2o5mentioning

confidence: 79%

Applicability of Fly Ash from Fluidized Bed Combustion of Peat, Wood, or Wastes to Concrete

Ohenoja

Wigren²,

Österbacka

et al. 2018

Waste Biomass Valor

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“…To determine the mineral content, fish muscle samples were dissolved and digested with HNO 3 at 200 °C for 2 h ( AOAC, 1995 ). Calcium (Ca), magnesium (Mg), manganese (Mn) and iron (Fe) contents in fish muscle sample were determined by atomic absorption spectroscopy method using atomic absorption spectrophotometer model AA-7000 ( Gokoglu et al., 2004 ) while sodium (Na) and potassium (K) contents were analyzed by using flame photometry method ( Junsomboon and Jakmunee, 2011 ).…”

Section: Methodsmentioning

confidence: 99%

Nutritional profile of wild, pond-, gher- and cage-cultured tilapia in Bangladesh

Islam

Bhowmik

Majumdar

et al. 2021

Heliyon

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The proximate, minerals, amino acid and fatty acid composition of wild, pond-, gher - and cage-cultured tilapia in Bangladesh were evaluated and varied significantly (p < 0.05). The major component of the tilapia was moisture (79.12%–81.36%), followed by protein (14.93%–16.03%), lipid (0.59%–2.35%), carbohydrate (1.23%–1.51%), fibre (0.47%–0.88%), ash (0.31%–0.53%); the energy value was between 97.62 and 126.73 kcal/100 g. Macro-nutrients and micro-nutrients were detected in following order: K > Na > Mg > Ca and Fe > Mn, respectively in all the tilapia and the ratio of Na/K was <1. Essential amino acids, leucine (1.47–1.56 g/100 g) and lysine (1.66–1.74 g/100 g), were the predominant amino acids in tilapia, followed by non-essential amino acids, aspartic acid (1.72–1.84 g/100 g) and glutamic acid (2.88–3.07 g/100 g). Saturated palmitic acid (25.4%–35.54%), monounsaturated elaidic acid (31.51%–35.63%) and polyunsaturated linolenic acid (17.69%–22.57%) were the main fatty acids found in tilapia. The desirable protein percentage, Na/K ratio, the presence of essential amino acids, leucine and lysine, n-3 and n-6 fatty acid contents proved that the consumption of wild, pond-, gher - and cage-cultured tilapia are beneficial to human health and could be recommended to prevent different diseases particularly of cardiovascular type.

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“…Plant available-N in the soil was determined by the methods defined by Hesse [68] and available-P was determined by using the method as described by Olsen [69]. Available soil potassium (K) was determined by the method described by Junsomboon and Jakmunee [70].…”

Section: Sample Analysismentioning

confidence: 99%

Transforming a Valuable Bioresource to Biochar, Its Environmental Importance, and Potential Applications in Boosting Circular Bioeconomy While Promoting Sustainable Agriculture

et al. 2021

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Biochar produced from transforming bioresource waste can benefit sustainable agriculture and support circular bioeconomy. The objective of this study was to evaluate the effect of the application of biochar, produced from wheat straws, and a nitrification inhibitor, sourced from neem (Azadirachta indica), in combinition with the recommended synthetic fertilizer on soil properties, maize (Zea mays L.) plant growth characteristics, and maize grain yield and quality paramters. The nitrification inhibitor was used with the concentrations of 5 and 10 mL pot−1 (N1 and N2, respectively) with four levels of biochar (B0 = 0 g, B1 = 35 g, B2 = 70 g, B3 = 105 g, B4 = 140 g pot−1), one recommended nitrogen, phosphorous, and potassium syntactic fertilizer (250, 125, and 100 kg ha−1, respectively) treatment, and one control treatment. The results showed that the nitrification inhibitor enhanced crop growth while the application of biochar significantly improved soil fertility. The application of biochar significantly enhanced soil organic matter and soil nitrogen as compared with nitrogen–phosphorus–potassium treatment. The highest root length (65.43 cm) and root weight (50.25 g) were observed in the maize plants treated with B4 and N2 combinedly. The grain yield, total biomass production, protein content from biochar’s B4, and nitrogen–phosphorus–potassium treatments were not significantly different from each other. The application of 140 g biochar pot−1 (B4) with nitrification inhibitor (10 mL pot−1) resulted in higher crop yield and the highest protein contents in maize grains as compared to the control treatments. Therefore, the potential of biochar application in combination with nitrification inhibitor may be used as the best nutrient management practice after verifying these findings at a large-scale field study. Based on the experimental findings, the applied potential of the study treatments, and results of economic analysis, it can be said that biochar has an important role to play in the circular bioeconomy.

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Determination of Potassium, Sodium, and Total Alkalies in Portland Cement, Fly Ash, Admixtures, and Water of Concrete by a Simple Flow Injection Flame Photometric System

Cited by 23 publications

References 16 publications

Applicability of Fly Ash from Fluidized Bed Combustion of Peat, Wood, or Wastes to Concrete

Applicability of Fly Ash from Fluidized Bed Combustion of Peat, Wood, or Wastes to Concrete

Nutritional profile of wild, pond-, gher- and cage-cultured tilapia in Bangladesh

Transforming a Valuable Bioresource to Biochar, Its Environmental Importance, and Potential Applications in Boosting Circular Bioeconomy While Promoting Sustainable Agriculture

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