Vol. 19 No. 1 (2021)

Published: 2021-11-30

Artikel

VALIDATION OF ION SELECTIVE ELECTRONIC METHODS AT PUPUK KALIMANTAN TIMUR COMPANY FOR DETERMINING AMMONIA LEVELS (NH3) IN AMBIENT AIR

Ristia Asri Fidayana, Teguh Wirawan, Aman Sentosa Panggabean

1-7
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VALIDATION METHOD OF DETERMINATION OF Cd (II) IN NPK FERTILIZER BY FLAME ATOMIC ABSORPTION SPECTROPHOTOMETRY AT THE QUALITY CONTROL LABORATORY, PT. PUPUK KALIMANTAN TIMUR

Leonardus Lewo Hayon, Alimuddin Alimuddin, Aman Sentosa Panggabean

8-16
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COMPARISON OF ANALYTIC PERFORMANCE OF RESULTS OF DETERMINATION OF Pb METAL IONS USING ATOMIC ABSORPTION SPECTROPHOTOMETER of VARIOUS in SAMARINDA LABORATORIES

Arifin Syam Surya, Bohari Yusuf, Aman Sentosa Panggabean

17-23
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STUDI KOMPUTASI INTERAKSI ZEOLIT LTA (LINDE TYPE A) DENGAN KATION ALKALI (LI+, NA+, K+) MENGGUNAKAN METODE MEKANIKA MOLEKULER

Audi Zahid Iswaradi, Rahmat Gunawan, Noor Hindryawati

24-29
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SABUN CAIR EKONOMIS DENGAN PEMANFAATAN LIMBAH MINYAK JELANTAH

Indica Septriyanti, Aisyah Meisya Putri, Herman Herman, Yelfira Sari

30-34
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PHYTOCHEMICAL SCREENING OF THREE BATAK LEEKS VARIANS (A. chinense G. Don)

Aliyah Fahmi

35-38
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IDENTIFIKASI DEKSAMETASON PADA JAMU PENGGEMUK BADAN YANG DIJUAL DI E-MARKETPLACE SHOPEE MENGGUNAKAN KROMATOGRAFI LAPIS TIPIS DETERMINATION OF DEXAMETHASONE IN WEIGHT GAIN HERBAL SOLD AT SHOPEE'S E-MARKET PLACE USING THIN LAYER CHROMATOGRAPHY

Sri Widia Ningsih, Lerny Serena Sirait, Dewi Setiyawati

39-44
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STUDI SUHU TRANSISI GELAS PRODUK PENCANGKOKAN ANHIDRIDA MALEAT PADA KARET ALAM SIKLIS: METODE DIFFERENTIAL SCANNING CALORIMETRY

Muhammad Said siregar, Enisa Cita Mentari, Desi Ardilla, Masura M D, Asmarasari Nasution, Eddiyanto Eddiyanto

45-50
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