Laboratory Microwave Digester ICPE-9820 Dispensette 10 mL Digital Heating Mantle CHNS-O Merk EAI Model CE440 Centrifuge Biuret Atomic Absorption Spectroscopy (AAS) AA-7800 Atomic Absorption Spectroscopy (AAS) AA-6300 Spektrofotometer UV-1900i Pressure Plate Extractor Soil Moisture Neraca (Analitycal Balance)