| Proficiency testing for determination of pH and electrolytic conductivity in water and soil samples | Emrah UYSAL, Lokman LİV, Fatma AKÇADAĞ | 29–38 |
| Ultra-fast liquid chromatography method for the determination of ticagrelor in pharmaceutical formulations and spiked plasma samples | Ş. Evrim KEPEKÇİ TEKKELİ, Cem ÖNAL | 39–46 |
| Determination of bromate in bottled water marketed in Iran by ion chromatography | Sima DJAM, Mostafa NAJAFİ, Shahram SHOEİBİ, Seyyed Hamid AHMADİ | 47–52 |
| Investigation the fatty acid profile of commercial black cumin seed oils and seed oil capsules: Application to real samples | Selin IŞIK, Sinem ASLAN ERDEM, Murat KARTAL | 53–60 |
| A GC-MS method for illegal stimulant drugs from serum : a multi-drug use sample in Turkey | Zeynep TÜRKMEN, Tuğba TEKİN, Selda MERCAN, Merve KULOĞLU, Işıl BAVUNOĞLU | 61–67 |
| Development and validation of a practical analytical method for Zolpidem as a drug facilitated crime tool | Nurdan KENAN, Selda MERCAN, Münevver AÇIKKOL | 68–74 |
| Determination of gymnemic acid level in Gymnema inodorum leaves using multiple reaction monitoring mass spectrometry | Suwatchai JARUSSOPHON, Kittiwut KASEMWONG, Rawiwan NOOİN, Onanong NUCHUCHUA, Wanwisa SRİNUANCHAİ | 75–79 |
| Stability-indicating ultra-fast liquid chromatographic analysis of maprotiline in pharmaceutical formulations | Cem ÖNAL, Ş. Evrim KEPEKÇİ TEKKELİ | 80–83 |