| 3/15/2018 | 382200009019 | REFERENCE MATERIAL USED IN LABORATORIES
| 300 | Units | 2538.81 | N/A | POLIMETAL MADENCILIKSANAYI VE TICARET ANONIM SIRKETI |
| 3/22/2018 | 382200009019 | REFERENCE MATERIAL USED IN THE LABORATORY
| 100 | Units | 1130.73 | N/A | POLIMETAL MADENCILIKSANAYI VE TICARET ANONIM SIRKETI |
| 3/14/2018 | 382200009019 | REFERENCE SUBSTANCES (NOT FROM PRODUCTS PRODUCED FOR IN-VITRO MEDICAL DIAGNOSTIC DEVICE.)
| 6 | Kilogram | 1624.83 | N/A | S.G.S. SÜPERVISE GÖZETME ETÜD KONTROL SERVISLERI ANONIM SIRKETI |
| 3/7/2018 | 382200009019 | TEST KIT (FOR RESEARCH IN THE LABORATORY) (EXCLUSIVE REFERENCE NUMBER 18160099282013015773484)
| 4 | Units | 11907.8 | N/A | TANI MEDIKAL ÜRÜNLER SANAYI TICARET LIMITED SIRKETI |
| 3/1/2024 | 382290000019 | CERTIFIED REFERENCE - MATERIAL | 100 | UNIT | 6313 | N/A | ALS LABORATUAR HİZMETLERİ LİMİTED ŞİRKETİ |
| 3/26/2024 | 382290000019 | REFERENCE ROCK PARTICLE SAMPLE USED FOR ANALYSIS IN LABORATORIES | 520 | UNIT | 3971 | N/A | ZENİT MADENCİLİK SANAYİ VE TİCARET ANONİM ŞİRKETİ |
| 3/8/2024 | 382290000019 | STANDARD REFERENCE/ANS ARTICLES FOR DETECTION OF MINERALS * (NOT COVERED BY ÜGD TEB.2024/16) | 215 | UNIT | 1163 | N/A | OCEAN RMC MADENCİLİK GERİ DÖNÜŞÜM KİMYEVİ MADDELER İTHALAT İHRACAT SANAYİ TİCARET LİMİTED ŞİRKETİ |
| 3/13/2024 | 382290000019 | REFERENCE MATERIAL (TO BE USED IN THE MINING LABORATORY) | 560 | UNIT | 12753 | N/A | S.G.S.SUPERVİSE GÖZETME ETÜD KONTROL SERVİSLERİ ANONİM ŞİRKETİ |
| 3/6/2024 | 382290000019 | STANDARD (REFERENCE) ITEM (200 PIECES*6/0 GRM=12 KG) | 200 | UNIT | 1656 | N/A | YILKROM MADEN VE ENERJİ YATIRIM TİCARET SANAYİ ANONİM ŞİRKETİ |
| 3/27/2024 | 382290000019 | REFERENCE STANDARDS (GROUND ROCKS) FOR USE IN LABORATORY ANALYSIS. (CERTIFIED REFE+RENCE MATERIAL ( OREAS 521 - 627 ) | 500 | UNIT | 4829 | N/A | ESAN ECZACIBAŞI ENDÜSTRİYEL HAMMADDELER SANAYİ VE TİCARET ANONİM ŞİRKETİ |