Hiển thị 1321–1350 của 2086 kết quả
Bộ thuốc thử N-tổng thang đo từ 10-150 mg/l – 2714045 – Hach
Bộ test kit Arsenic – 2800000 – Hach
Hóa chất: Acetaldehyde, Reagentplus.,>=99.0% – 00071 – Sigma Aldrich
Hóa chất: 2,2′-Azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt 1G – 11557-1G – Sigma Aldrich
Hóa chất: Rose bengal – 198250 – Sigma Aldrich
Niobium(V) chloride 99% – 215791 – Sigma Aldrich
Potassium persulfate ACS reagent, ≥99.0% – 216224 – Sigma Aldrich
Hóa chất: Ammonium Iodide – 221937 – Sigma Aldrich
4-Methylaminophenol sulfate (metol) – 320013 – Sigma Aldrich
Glutaraldehyde solution 50 wt. % in H2O – 340855 – Sigma Aldrich
Hóa chất: HYDRANAL- Coulomat CG – 34840-50ML – Sigma Aldrich
Dimethyl Sulfoxide – 34869 – Sigma Aldrich
Acid Tannic – 403040 – Sigma Aldrich
Hóa chất: Urea 1G – 56180-1G – Sigma Aldrich
Polyvinylpyrrolidone K 90 powder – 81440 – Sigma Aldrich
Hóa chất: Folin & Ciocalteu’s phenol reagent suitable for determination of total protein by Lowry method, 2 N – F9252 – Sigma Aldrich
Gallic acid 97.5-102.5% (titration) – G7384 – Sigma Aldrich
Hóa chất: Beta Carotene – PHR1239 – Sigma Aldrich
Dung chuẩn phenol: 1000 mg/L 100ML – TPC1000-100ML – Sigma Aldrich
Hóa chất Ethyl acetate, reagent grade, ACS – AC0145 – Scharlau
Hóa chất Acetonitrile, Multisolventđ HPLC grade – CH3CN – AC0333 – Scharlau
Hóa chất Glycine, reagent grade – C2H5NO2 – AC0404 – Scharlau
Hóa chất Acid Hydrochloric 37% Basic – AC0736 – Scharlau
Hóa chất Hydrochloric acid, 37%, reagent grade – HCL 37% – AC0741 – Scharlau
Hóa chất Hydrochloric acid, solution 0,1 mol/l (0.1N) – (HCL) – AC0746 – Scharlau
Hóa chất Sulfanilic acid, reagent grade, ACS – C6H7NO3S – AC2060 – Scharlau
Hóa chất Sulfuric acid, 95 – 98% – H2SO4 – AC2097 – Scharlau
Hóa chất L(+)-Tartaric acid, reagent grade – AC3001 – Scharlau
Hóa chất 2-Propanol, Multisolvent HPLC grade – CH3CHOHCH3 – AL0321 – Scharlau
Hóa chất Starch, soluble, synthesis grade – C6H10O5 – AL0715 – Scharlau
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