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Malaysian Journal of Analytical Sciences最新文献

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SYNTHESIS AND CHARACTERIZATION OF SrSnO3 USING DIFFERENT SYNTHESIS METHODS 不同合成方法合成SrSnO3及其表征
Malaysian Journal of Analytical Sciences Pub Date : 2019-02-24 DOI: 10.17576/mjas-2019-2301-12
{"title":"SYNTHESIS AND CHARACTERIZATION OF SrSnO3 USING DIFFERENT SYNTHESIS METHODS","authors":"","doi":"10.17576/mjas-2019-2301-12","DOIUrl":"https://doi.org/10.17576/mjas-2019-2301-12","url":null,"abstract":"","PeriodicalId":39007,"journal":{"name":"Malaysian Journal of Analytical Sciences","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48997975","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
PdAu BIMETALLIC CATALYST FOR ELECTROOXIDATION OF GLYCEROL USING CYCLIC VOLTAMMETRY ANALYSIS 用循环伏安法分析甘油电氧化用PdAu双金属催化剂
Malaysian Journal of Analytical Sciences Pub Date : 2019-02-24 DOI: 10.17576/mjas-2019-2301-09
{"title":"PdAu BIMETALLIC CATALYST FOR ELECTROOXIDATION OF GLYCEROL USING CYCLIC VOLTAMMETRY ANALYSIS","authors":"","doi":"10.17576/mjas-2019-2301-09","DOIUrl":"https://doi.org/10.17576/mjas-2019-2301-09","url":null,"abstract":"","PeriodicalId":39007,"journal":{"name":"Malaysian Journal of Analytical Sciences","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46454106","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
FACILE TECHNIQUE FOR THE IMMOBILISATION OF TIO2 NANOPARTICLES ON GLASS SUBSTRATES FOR APPLICATIONS IN THE PHOTOCATALYTIC SELF-CLEANING OF INDOOR AIR POLLUTANTS 二氧化钛纳米颗粒在玻璃基板上的固定化技术，用于室内空气污染物的光催化自清洁
Malaysian Journal of Analytical Sciences Pub Date : 2019-02-24 DOI: 10.17576/mjas-2019-2301-11
{"title":"FACILE TECHNIQUE FOR THE IMMOBILISATION OF TIO2 NANOPARTICLES ON GLASS SUBSTRATES FOR APPLICATIONS IN THE PHOTOCATALYTIC SELF-CLEANING OF INDOOR AIR POLLUTANTS","authors":"","doi":"10.17576/mjas-2019-2301-11","DOIUrl":"https://doi.org/10.17576/mjas-2019-2301-11","url":null,"abstract":"","PeriodicalId":39007,"journal":{"name":"Malaysian Journal of Analytical Sciences","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41583269","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: 3
EFFECT OF Cu-PUROLITE A400 RESIN ON ADSORPTION OF NITRATE AND NITRITE IN WASTEWATER TREATMENT 硫酸铜A400树脂对废水处理中硝酸盐和亚硝酸盐吸附性能的影响
Malaysian Journal of Analytical Sciences Pub Date : 2019-02-24 DOI: 10.17576/mjas-2019-2301-10
{"title":"EFFECT OF Cu-PUROLITE A400 RESIN ON ADSORPTION OF NITRATE AND NITRITE IN WASTEWATER TREATMENT","authors":"","doi":"10.17576/mjas-2019-2301-10","DOIUrl":"https://doi.org/10.17576/mjas-2019-2301-10","url":null,"abstract":"The exceedance of nitrate and nitrite concentrations over the water standard quality has caused potential human health dangers such as blue baby syndrome and the growth of aquatic plants (eutrophication). In this work, a Purolite A400 anion exchange resin impregnated by Cu (Purolite A400-Cu) is used to remove nitrate and nitrite in wastewater. High saturation capacities of 0.76 mg N/g and 0.88 mg N/g-nitrate and 0.10 mg N/g and 0.11 mg N/g-nitrite are obtained from Purolite A400 and Purolite A400-Cu. Scanning electron microscope measurement shows that the surface of Purolite A400-Cu is rough due to other deposited materials that originate from Cu deposition. Energy dispersive spectroscopy measurement indicates that the increase in adsorption is due to Cu impregnation with the addition of a positive surface charge on the resin by Cu. The adsorption capacities of nitrate and nitrite decrease with increases in sulphate, phosphate and chloride concentrations. Data are obtained from a fixedbed column using the Thomas equation model. The breakthrough curve shows the Ct/C0 ratio values in Purolite A400 and Purolite A400-Cu. Large Ct/C0 values of 0.55 and 0.52-nitrate and 0.48 and 0.03-nitrite are obtained from Purolite A400 and Purolite A400-Cu.","PeriodicalId":39007,"journal":{"name":"Malaysian Journal of Analytical Sciences","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67647191","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
UNIQUE SIGNATURES OF HONEYS AS A MEANS TO ESTABLISH PROVENANCE 蜂蜜的独特签名，作为确定产地的一种手段
Malaysian Journal of Analytical Sciences Pub Date : 2019-02-24 DOI: 10.17576/mjas-2019-2301-01
{"title":"UNIQUE SIGNATURES OF HONEYS AS A MEANS TO ESTABLISH PROVENANCE","authors":"","doi":"10.17576/mjas-2019-2301-01","DOIUrl":"https://doi.org/10.17576/mjas-2019-2301-01","url":null,"abstract":"","PeriodicalId":39007,"journal":{"name":"Malaysian Journal of Analytical Sciences","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44909394","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
OPTIMISATION OF THE COMPOSITION AND PROCESS PARAMETER OF CsH2PO4/NaH2PO4/SiO2 SOLID ACID COMPOSITE VIA THE TAGUCHI METHOD 采用田口法对CsH2PO4/NaH2PO4/SiO2固体酸复合材料的组成及工艺参数进行了优化
Malaysian Journal of Analytical Sciences Pub Date : 2019-02-24 DOI: 10.17576/mjas-2019-2301-13
{"title":"OPTIMISATION OF THE COMPOSITION AND PROCESS PARAMETER OF CsH2PO4/NaH2PO4/SiO2 SOLID ACID COMPOSITE VIA THE TAGUCHI METHOD","authors":"","doi":"10.17576/mjas-2019-2301-13","DOIUrl":"https://doi.org/10.17576/mjas-2019-2301-13","url":null,"abstract":"","PeriodicalId":39007,"journal":{"name":"Malaysian Journal of Analytical Sciences","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67647256","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: 3
OXYGEN REDUCTION REACTION BEHAVIOURS OF CARBON NANOTUBES SUPPORTING Pt CATALYST FOR PROTON EXCHANGE MEMBRANE FUEL CELL 质子交换膜燃料电池中碳纳米管负载Pt催化剂的氧还原反应行为
Malaysian Journal of Analytical Sciences Pub Date : 2019-02-24 DOI: 10.17576/mjas-2019-2301-18
{"title":"OXYGEN REDUCTION REACTION BEHAVIOURS OF CARBON NANOTUBES SUPPORTING Pt CATALYST FOR PROTON EXCHANGE MEMBRANE FUEL CELL","authors":"","doi":"10.17576/mjas-2019-2301-18","DOIUrl":"https://doi.org/10.17576/mjas-2019-2301-18","url":null,"abstract":"","PeriodicalId":39007,"journal":{"name":"Malaysian Journal of Analytical Sciences","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67647402","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
PRODUCTION OF COMPOST FROM NON-SHREDDED EMPTY FRUIT BUNCHES MIXED WITH ACTIVATED LIQUID ORGANIC FERTILIZER IN TOWER COMPOSTER 无公害空果串与活性液体有机肥在塔式堆肥机中混合生产堆肥
Malaysian Journal of Analytical Sciences Pub Date : 2019-02-24 DOI: 10.17576/mjas-2019-2301-17
{"title":"PRODUCTION OF COMPOST FROM NON-SHREDDED EMPTY FRUIT BUNCHES MIXED WITH ACTIVATED LIQUID ORGANIC FERTILIZER IN TOWER COMPOSTER","authors":"","doi":"10.17576/mjas-2019-2301-17","DOIUrl":"https://doi.org/10.17576/mjas-2019-2301-17","url":null,"abstract":"","PeriodicalId":39007,"journal":{"name":"Malaysian Journal of Analytical Sciences","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42357081","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: 9
EFFECTS OF GRAPHITE/POLYPROPYLENE ON THE ELECTRICAL CONDUCTIVITY OF MANUFACTURED BIPOLAR PLATE 石墨/聚丙烯对人造双极板电导率的影响
Malaysian Journal of Analytical Sciences Pub Date : 2019-01-01 DOI: 10.17576/mjas-2019-2302-19
A. Sulong, T. Husaini
{"title":"EFFECTS OF GRAPHITE/POLYPROPYLENE ON THE ELECTRICAL CONDUCTIVITY OF MANUFACTURED BIPOLAR PLATE","authors":"A. Sulong, T. Husaini","doi":"10.17576/mjas-2019-2302-19","DOIUrl":"https://doi.org/10.17576/mjas-2019-2302-19","url":null,"abstract":"Conductive polymer composite (CPC) has been used on bipolar plates by compression and injection molding methods. The CPC material comprises 25% polypropylene and 75%graphite with size variation (40, 100, 150, and 200 μm) according to particle size dispersion test. The composite is mixed using an internal mixer to obtain a homogeneous mixture at a process temperature of 200 °C. Electrical conductivity tests are performed on each particle size composition. The highest electrical conductivity produced by compression and injection molding methods is 17 and 12 S/cm, respectively. These values are both obtained on a 40 μm graphite filler. Results show that the type of manufacturing process affects the value of electrical conductivity using the same material.","PeriodicalId":39007,"journal":{"name":"Malaysian Journal of Analytical Sciences","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67647091","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
EFFECT OF PULSED LASER ABLATION IN WATER ON THE CORROSION BEHAVIOUR AND SURFACE HARDNESS OF STAINLESS STEELS 水中脉冲激光烧蚀对不锈钢腐蚀行为和表面硬度的影响
Malaysian Journal of Analytical Sciences Pub Date : 2019-01-01 DOI: 10.17576/mjas-2019-2301-19
Sze Ney Chan, W. Wong, W. Rashmi, A. Kadhum, M. Khalid, K. Lim
{"title":"EFFECT OF PULSED LASER ABLATION IN WATER ON THE CORROSION BEHAVIOUR AND SURFACE HARDNESS OF STAINLESS STEELS","authors":"Sze Ney Chan, W. Wong, W. Rashmi, A. Kadhum, M. Khalid, K. Lim","doi":"10.17576/mjas-2019-2301-19","DOIUrl":"https://doi.org/10.17576/mjas-2019-2301-19","url":null,"abstract":"This work presents the use of pulsed fibre laser ablation in water (PLAW) to study the corrosion behaviour and surface hardness of stainless steels. A stainless-steel plate was ablated with a pulsed ytterbrium-doped fibre laser at a power of 4.2 W. The laserablated sample was subjected to corrosion testing using electrochemical impedance spectroscopy and potentiodynamic polarisation. The results correlated with surface morphology, X-ray diffraction profiles and Vicker’s hardness values. PLAW can enhance the corrosion resistance of stainless steels in both neutral and acidic electrolytes. The corrosion potential of the lasertreated samples was more positive at −126 and −423 mV compared with that of the as-received samples at −209 and −439 mV in neutral and acidic electrolytes, respectively. The inhibition efficiencies of the laser-treated samples in neutral and acidic electrolytes were 98% and 52%, respectively. An improvement in the surface microhardness at a maximum of 8.7% was reported on the fibre laser-ablated stainless steels, thereby demonstrating the efficiency of fibre-laser-assisted PLAW in inhibiting corrosion and improving the hardness of stainless steel.","PeriodicalId":39007,"journal":{"name":"Malaysian Journal of Analytical Sciences","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67647436","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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