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Pakistan Journal of Chemistry最新文献

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Optimization of Dissolution of Ulexite in Disodium Hydrogen Phosphate 磷酸氢二钠溶出无绿石的优化研究
Pakistan Journal of Chemistry Pub Date : 2023-02-03 DOI: 10.15228/2022.v13.i01-2.p01
B. O. Kaya, S. Kuşlu, T. Çalban
{"title":"Optimization of Dissolution of Ulexite in Disodium Hydrogen Phosphate","authors":"B. O. Kaya, S. Kuşlu, T. Çalban","doi":"10.15228/2022.v13.i01-2.p01","DOIUrl":"https://doi.org/10.15228/2022.v13.i01-2.p01","url":null,"abstract":"The study aimed to investigate the optimization of the dissolution of ulexite minerals in disodium hydrogen phosphate solutions by using a factorial experimental design. The study used the solid-liquid ratio, reaction temperature, the concentration of disodium hydrogen phosphate solutions and reaction time as parameters. 2 n factorial experimental design and orthogonal central composite experimental design methods were used. The optimum conditions for maximum ulexite dissolution were: Solid-liquid ratio of 1/8 g mL -1 , a reaction temperature of 65 °C, a concentration of disodium hydrogen phosphate of 2 M, and a reaction time of 4 hours. Under these optimum conditions, the dissolute B 2 O 3 was 98.16 % in disodium hydrogen phosphate solutions. The complete model, including all parameters, was obtained using the 2. degree variables of the model experiment and internal interactions was found to be as follows. Ŷk.model = 80,45 + 11,31X 1 + 5,70X 2 – 1,10X 3 – 7,29X 4 – 11,27X 12 - 1,34X 22 + 2,37X 32 – 4,33X 42 + 3,25 X 1 X 2 – 7,45 X 1 X 3 + 14,00 X 1 X 4 + 4,30 X 2 X 3 - 7,80X 2 X 4 + 7,17X 3 X 4","PeriodicalId":19815,"journal":{"name":"Pakistan Journal of Chemistry","volume":"64 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91310684","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optimization of Dissolution of Ulexite in Disodium Hydrogen Phosphate 磷酸氢二钠溶出无绿石的优化研究
Pakistan Journal of Chemistry Pub Date : 2023-02-03 DOI: 10.15228/2023.v13.i01-2.p01
B. O. Kaya, S. Kuslu, T. Calban
{"title":"Optimization of Dissolution of Ulexite in Disodium Hydrogen Phosphate","authors":"B. O. Kaya, S. Kuslu, T. Calban","doi":"10.15228/2023.v13.i01-2.p01","DOIUrl":"https://doi.org/10.15228/2023.v13.i01-2.p01","url":null,"abstract":"","PeriodicalId":19815,"journal":{"name":"Pakistan Journal of Chemistry","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135261051","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Albumin Binding And Anticancer Studies Of Trimethyl-, And Triphenylstannyl (4R)-4-((3R,5R,10S,12S,13R,17R)-3,12-Dihydroxy- 10,13-Dimethylhexadecahydro-1H- Cyclopenta[A]Phenanthren-17-Yl)Pentanoate) 三甲基-和三苯基锡基(4R)-4-((3R,5R,10S,12S,13R,17R)-3,12-二羟基- 10,13-二甲基十六进氢- 1h -环五[A]菲-17-基)五酸酯)与白蛋白的结合及抗癌研究
Pakistan Journal of Chemistry Pub Date : 2023-01-11 DOI: 10.15228/2022.v12.i03-4.p10
F. Shaheen, S. Ali, T. Amir, G. Wagnieres, V. Huntosova
{"title":"Albumin Binding And Anticancer Studies Of Trimethyl-, And Triphenylstannyl (4R)-4-((3R,5R,10S,12S,13R,17R)-3,12-Dihydroxy- 10,13-Dimethylhexadecahydro-1H- Cyclopenta[A]Phenanthren-17-Yl)Pentanoate)","authors":"F. Shaheen, S. Ali, T. Amir, G. Wagnieres, V. Huntosova","doi":"10.15228/2022.v12.i03-4.p10","DOIUrl":"https://doi.org/10.15228/2022.v12.i03-4.p10","url":null,"abstract":"","PeriodicalId":19815,"journal":{"name":"Pakistan Journal of Chemistry","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136212480","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
d-Ti3C2 /MoS2 composite for Efficient Electrocatalytic Hydrogen Evolution d-Ti3C2 /MoS2复合材料高效电催化析氢
Pakistan Journal of Chemistry Pub Date : 2023-01-11 DOI: 10.15228/2022.v12.i03-4.p09
I. Ashraf, S. Ahmad, M. Iqbal
{"title":"d-Ti3C2 /MoS2 composite for Efficient Electrocatalytic Hydrogen Evolution","authors":"I. Ashraf, S. Ahmad, M. Iqbal","doi":"10.15228/2022.v12.i03-4.p09","DOIUrl":"https://doi.org/10.15228/2022.v12.i03-4.p09","url":null,"abstract":"","PeriodicalId":19815,"journal":{"name":"Pakistan Journal of Chemistry","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136212481","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Impact of COVID-19 on Chemistry education through the online education system. A survey at the undergraduate level. 新冠肺炎疫情对网络教育系统化学教育的影响本科阶段的调查。
Pakistan Journal of Chemistry Pub Date : 2021-12-10 DOI: 10.15228/2021.v11.i01-4.p06
A. Saleem
{"title":"Impact of COVID-19 on Chemistry education through the online education system. A survey at the undergraduate level.","authors":"A. Saleem","doi":"10.15228/2021.v11.i01-4.p06","DOIUrl":"https://doi.org/10.15228/2021.v11.i01-4.p06","url":null,"abstract":"","PeriodicalId":19815,"journal":{"name":"Pakistan Journal of Chemistry","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89980149","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Thin Films Deposited by Spin Coating Technique: Review 旋转镀膜技术沉积薄膜的研究进展
Pakistan Journal of Chemistry Pub Date : 2021-12-10 DOI: 10.15228/2021.v11.i01-4.p07
H. Soonmin
{"title":"Thin Films Deposited by Spin Coating Technique: Review","authors":"H. Soonmin","doi":"10.15228/2021.v11.i01-4.p07","DOIUrl":"https://doi.org/10.15228/2021.v11.i01-4.p07","url":null,"abstract":"Nanostructure thin films have been prepared and deposited onto various substrates such as glass substrate, quartz, GaN (0001) substrate, indium tin oxide coated glass, soda-lime glass, microscope glass slide via spin coating technique. This deposition method has many advantages, such as being cheap, simple, suitable for the low-temperature deposition process. Literature review revealed that the deposition process was carried out at different conditions produced unique properties of films. Structural, morphological, and optical properties were studied by X-ray diffraction, scanning electron microscopy, atomic force microscopy, and UV-Visible spectrophotometer. It was found that the average grain size of the obtained films was in the nanometer scale. The research findings confirmed that these materials could be used for photovoltaic applications.","PeriodicalId":19815,"journal":{"name":"Pakistan Journal of Chemistry","volume":"31 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79341929","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Sustainable Eco-Friendly Organic Carbon Fibers is the future of Textile Industry 可持续环保的有机碳纤维是纺织工业的未来
Pakistan Journal of Chemistry Pub Date : 2021-08-12 DOI: 10.15228/2021.v11.i01-4.p04
S. M. Imtiazuddin, S. A. Malik
{"title":"Sustainable Eco-Friendly Organic Carbon Fibers is the future of Textile Industry","authors":"S. M. Imtiazuddin, S. A. Malik","doi":"10.15228/2021.v11.i01-4.p04","DOIUrl":"https://doi.org/10.15228/2021.v11.i01-4.p04","url":null,"abstract":"","PeriodicalId":19815,"journal":{"name":"Pakistan Journal of Chemistry","volume":"7 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80282934","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Heavy Metals Uptake Levels in Crop Fields of Two S.A.A.R.C. Countries and Their Health Risk Assessments – A Review 两个南亚区域合作组织国家农田重金属吸收水平及其健康风险评估综述
Pakistan Journal of Chemistry Pub Date : 2021-08-12 DOI: 10.15228/2021.v11.i01-4.p03
Z. Sultan, M. Nasar, M. Ahmed, M. Saqib, Y. Ehsan, M. Tariq, A. Mahmood
{"title":"Heavy Metals Uptake Levels in Crop Fields of Two S.A.A.R.C. Countries and Their Health Risk Assessments – A Review","authors":"Z. Sultan, M. Nasar, M. Ahmed, M. Saqib, Y. Ehsan, M. Tariq, A. Mahmood","doi":"10.15228/2021.v11.i01-4.p03","DOIUrl":"https://doi.org/10.15228/2021.v11.i01-4.p03","url":null,"abstract":"","PeriodicalId":19815,"journal":{"name":"Pakistan Journal of Chemistry","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86839812","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Influence of Ionic Strength on Thionine Degradation by UV/Visible Radiation With Maltose 离子强度对麦芽糖紫外/可见光降解硫氨酸的影响
Pakistan Journal of Chemistry Pub Date : 2021-07-12 DOI: 10.15228/2020.V10.I01-4.P04
M. Yamin, F. Rehman, Khalid Ahmed
{"title":"Influence of Ionic Strength on Thionine Degradation by UV/Visible Radiation With Maltose","authors":"M. Yamin, F. Rehman, Khalid Ahmed","doi":"10.15228/2020.V10.I01-4.P04","DOIUrl":"https://doi.org/10.15228/2020.V10.I01-4.P04","url":null,"abstract":"","PeriodicalId":19815,"journal":{"name":"Pakistan Journal of Chemistry","volume":"41 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76258218","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Review On Polymer Processing Techniques Using Supercritical Carbon Dioxide (ScCO2) 超临界二氧化碳(ScCO2)聚合物加工技术综述
Pakistan Journal of Chemistry Pub Date : 2021-06-26 DOI: 10.15228/2021.v11.i01-4.p01
F. Nadeem
{"title":"Review On Polymer Processing Techniques Using Supercritical Carbon Dioxide (ScCO2)","authors":"F. Nadeem","doi":"10.15228/2021.v11.i01-4.p01","DOIUrl":"https://doi.org/10.15228/2021.v11.i01-4.p01","url":null,"abstract":"","PeriodicalId":19815,"journal":{"name":"Pakistan Journal of Chemistry","volume":"10 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86386783","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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