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Ammonia Determination In Bottled Water Using Spectrophotometer : Comparison Between Nessler And Berthelot Methods
  • A. Sasongko
  • Environmental Science
    JST (Jurnal Sains dan Teknologi)
  • 2 July 2018
TLDR
Ammonium concentration in bottled drinking water should not exceed 0.15 ppm and standard methods for analysis, Nessler and Berthelot, were issued.
Enzymatic Hydrolysis of Mannan from Konjac (Amorphophallus sp.) Using Mannanase from Streptomyces lipmanii to Produce Manno-oligosaccharides
Mannan is an abundant polysaccharide that can be found in konjac ( Amorphophallus sp.). Mannan can be enzymatically hydrolyzed using mannanase to produce manno-oligosaccharides which can be used as a
ETHANOL RECOVERY FROM PROPOLIS PRODUCTION WASTE USING ADSORPTION DISTILLATION METHOD
TLDR
It can be concluded that the ethanol content of the by-products of propolis production has been successfully increased by the distillation adsorption method with synthetic zeolite 3A 90 grams as the best result.
Penentuan Total Fenol Ekstrak Umbi Bawang Dayak Hasil Ekstraksi Dengan Metode Ultrasound Assisted Extraction (UAE) dan Ultrasonic-Microwave Assisted Extraction (UMAE)
Bawang dayak (Eleutherine americana) merupakan tanaman khas Kalimantan yang memiliki semua kandungan fitokimia antara lain alkaloid, glikosida, flavonoid, fenolik, steroid dan tanin. Senyawa fenolik
Amylase activity of amylolytic bacteria from black soldier fly ( Hermetia illucens )
Amylase is an enzyme that has been widely used as a biocatalyst in food and bioethanol industries. The availability of thermostable amylase will further expand the market and extend the shelf life of
UltrasoundAssisted Extraction ( UAE ) dan Ultrasonic-Microwave Assisted Extraction ( UMAE )
Dayak onion (Eleutherine americana) is a typical plant of Borneo that has all the content of phytochemicals such as alkaloids, glycosides, flavonoids, phenolics, steroids and tannins. Phenolic
Sonication Effect on Modified Ultrasound Assisted Aqueous Extraction (UAAE) of Rice Bran Oil Yield
Rice bran oil (RBO) is extracted using ultrasound-assisted aqueous extraction (UAAE) with minor modifications to the separation process. Although conventional methods such as solvent extraction or
Forecasting for Steel Production using Artificial Neural Networks and Feasibility Analysis of Plant Regeneration Acid Development in PT. XYZ
TLDR
This study aims to determine steel demand forecasting and conduct a feasibility study for the development and replacement of ARP technology, and based on the results of the investment appraisal using the NPV, IRR PBP, the new ARP development investment is decent and can meet future steel demand in the period until 2020.
DENGAN METODE ULTRASONIC ASSISTED ACID HYDROLYSIS (UAAH) EFFECT OF CITRIC ACID CONCENTRATION AND ULTRASONIC POWER ON OLIGOSACCHARIDE PRODUCTION FROM SALACCA ZALACCA SEEDS USING ULTRASONIC ASSISTED
Salak (Salacca zalacca) is a fruit that can grow in tropical areas, such as Indonesia. Utilization of salak fruit produces waste in the form of seeds about 25-30% percent of the whole fruit. About
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