Denny Akbar Tanjung
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View article: The effectiveness of naphthaleneacetic acid and kinetin on the development of plantlet book cuttings of Chrysanthemum ornamental plants
The effectiveness of naphthaleneacetic acid and kinetin on the development of plantlet book cuttings of Chrysanthemum ornamental plants Open
The high demand for chrysanthemum flowers, coupled with the challenge of acquiring quality seeds in large quantities within a short timeframe, presents significant problems in this study. One potential solution is to propagate plants and u…
View article: Assessing the water quality in the Timbalun river watershed, Padang City, West Sumatra, Indonesia
Assessing the water quality in the Timbalun river watershed, Padang City, West Sumatra, Indonesia Open
The purpose of this study is to assess water quality, specifically pH, conductivity, total dissolved solids (TDS), salinity, and turbidity. The research utilizes quantitative methods and covers 15 sampling points across the Timbalun River …
View article: Optimization of malic anhydrate concentration in manufacturing PP-g-MA compatibilizer on test percent of grafting degree
Optimization of malic anhydrate concentration in manufacturing PP-g-MA compatibilizer on test percent of grafting degree Open
The difference in polarity means that two or more materials cannot react, a connecting material such as a compatibilizer is needed to react between polar and non-polar materials. This research aims to determine the effect of maleic anhydri…
View article: Characterization and Application of TiO2/ZnO Nanoparticles as Pigments in Matt-Type Water-Based Paint
Characterization and Application of TiO2/ZnO Nanoparticles as Pigments in Matt-Type Water-Based Paint Open
This study investigates the characteristics of TiO2/ZnO nanoparticles and the application of TiO2/ZnO in matt-type water-based paint as a pigment. This study aims to determine the quality of TiO2-ZnO pigments in water-based paints in …
View article: The Effect of Oleic Acid-Grafted Linear Low-Density Polyethylene as Compatibilizer on the Properties of Linear Low-Density Polyethylene/Cyclic Natural Rubber Blends
The Effect of Oleic Acid-Grafted Linear Low-Density Polyethylene as Compatibilizer on the Properties of Linear Low-Density Polyethylene/Cyclic Natural Rubber Blends Open
In this paper, we report that the compatibility of polymer blends between linear low-density polyethylene (LLDPE) and cyclic natural rubber (CNR) can be increased by the addition of oleic acid-grafted linear low-density polyethylene. The r…
View article: Effects of LLDPE on Mechanical Properties, Degradation Performance, and Water Absorption of Thermoplastic Sago Starch Blends
Effects of LLDPE on Mechanical Properties, Degradation Performance, and Water Absorption of Thermoplastic Sago Starch Blends Open
The purpose of this study was to improve the mechanical and physical properties, degradation performance, and water absorption of a thermoplastic mixture of sago starch with the addition of Linear Low-Density Polyethylene (LLDPE). The meth…
View article: Influence of LLDPE-g-MA on Mechanical Properties, Degradation Performance and Water Absorption of Thermoplastic Sago Starch Blends
Influence of LLDPE-g-MA on Mechanical Properties, Degradation Performance and Water Absorption of Thermoplastic Sago Starch Blends Open
The addition of LLDPE-g-MA into the compound of sago starch/LLDPE was studied to improve its mechanical, morphology, degradation performance, and water absorption properties. Thermoplastic Sago Starch was composed of a mixture of sago star…
View article: THE INFLUENCE OF OLEIC ACID AND BENZOYL PEROXIDE AGAINST OLEIC ACID GRAFTED ONTO LLDPE
THE INFLUENCE OF OLEIC ACID AND BENZOYL PEROXIDE AGAINST OLEIC ACID GRAFTED ONTO LLDPE Open
In this study, the graft copolymerization of oleic acid (OA) onto linear low-density polyethylene (LLDPE) was successfully prepared by free radical reaction using benzoyl peroxide (BPO) initiator in the molten state. The study aims to dete…
View article: Improvement of Mechanical, Thermal, and Morphological Properties of Organo-Precipitated Calcium Carbonate Filled LLDPE/Cyclic Natural Rubber Composites
Improvement of Mechanical, Thermal, and Morphological Properties of Organo-Precipitated Calcium Carbonate Filled LLDPE/Cyclic Natural Rubber Composites Open
This study investigates the improvement of the mechanical, thermal, and morphological properties of linear low-density polyethylene (LLDPE)/cyclic natural rubber (CNR) after the addition of organo-precipitated calcium carbonate (O-PCC). Th…
View article: CATALYTIC ACTIVITY OF PRECIPITATED CALCIUM CARBONATE FOR BIODIESEL PRODUCTION
CATALYTIC ACTIVITY OF PRECIPITATED CALCIUM CARBONATE FOR BIODIESEL PRODUCTION Open
Transesterification of used cooking oil (UCO) with methanol using calcium carbonate precipitate (PCC) as a heterogeneous catalyst was carried out under reflux with constant stirring to obtain biodiesel.Before the catalyst test, PCC was fir…
View article: IMPROVING MECHANICAL AND PHYSICAL PROPERTIES ON THERMOPLASTIC SAGO STARCH BLENDS WITH THE ADDITION OF POLYPROPYLENE
IMPROVING MECHANICAL AND PHYSICAL PROPERTIES ON THERMOPLASTIC SAGO STARCH BLENDS WITH THE ADDITION OF POLYPROPYLENE Open
This study aims to improve the mechanical and physical properties of the thermoplastic sago starch blends with the addition of polypropylene (PP).PP concentrations were given starting from 10, 15, 20, 25, and 30 percent (%), with the addit…
View article: Pelatihan Pembuatan Saus Tomat
Pelatihan Pembuatan Saus Tomat Open
Sauce is a complementary food, this food is usually coupled with fried foods, soupy foods and can also be used as a seasoning. Sauce made from tomatoes (if tomato sauce) is blended until smooth and cooked while adding spices to make it tas…
View article: Pemanfaatan Limbah Sekam Padi Sebagai Bahan Dasar Pembuatan Briket Arang
Pemanfaatan Limbah Sekam Padi Sebagai Bahan Dasar Pembuatan Briket Arang Open
Rice husk waste has been thrown away and burned without any use, it has the potential to cause environmental pollution. This rice husk can actually be used, for manufacture of briquettes, but the lack of knowledge and skills of the people …