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With Certificate Zinc Standard Solution in Water 100μg 1000Μg0.1Μg0.25Mg

Scientific Research Reagents with Certificate Ferrous Sulfate Cas;7720-78-7 ≥98% Standard Substance

With Certificate Manganese Standard Solution in Water

Scientific Research Reagents with Certificate L-Carnitine Cas:305-84-0 Hplc≥98% Chromatographic Purity

With Certificate Scientific Research Reagents 5 Kinds of Heavy Metals in Wheat Flour Quality Control Samples Standard Substance

With Certificate Potassium Standard Solution in Water 1000Μg/10Μg/Ml5Μg/Ml100Μg/Ml

With Certificate Milk Powder Lead Quality Control Sample 30g Standard Substance

Scientific Research Reagents L-Cysteine Cas:56-89-3 Hplc≥99% Chromatographic Purity

With Certificate Soybean Flour Protein Quality Control Sample / with N) Scientific Research Reagent

With Certificate Mixed Standard Sample of Water Quality Chlorate and Hypochlorite

With Certificate Allicin Cas:539-86-6 Uv≥98% Scientific Research Reagent

With Certificate Vinegar Total Acid Quality Control Sample 3.62G/100Ml

With Certificate Potassium Carbonate Standard Solution 15%

Scientific Research Reagents with Certificate Bile Acid Control Substance Cas: 81-25-4 Hplc≥98% Chromatographic Purity

With Certificate 9 Kinds of Elements Mixed Water Quality Standard Sample Standard Substance

With Certificate Scientific Research Reagents Pterostilbene Comparative Product Cas:537-42-8 Hplc≥98% Chromatographic Purity

Scientific Research Reagents with Certificate Starch Quality Control Sample in Wheat Flour Standard Substance

Scientific Research Reagents with Certificate Adenosine Triphosphate Cas:56-65-5 Hplc≥96% Chromatographic Purity

With Certificate Lemon Yellow Standard Solution in Water

Scientific Research Reagents with Certificate L-Histidine Hydrochloride Cas: 645-35-2 Hplc≥98% Chromatographic Purity

With Certificate Total Phosphorus Water Quality Standard Sample in Seawater

With Certificate Cobalt Standard Solution in Water 100Ug

With Certificate Lactitol Cas: 585-86-4 99.8% Scientific Research Reagent

With Certificate 5 Kinds of Anion Mixed Standard Solution 100Μg/1000Μg/Ml

With Certificate Scientific Research Reagents Tea Saponin Control Product Cas: 8047-15-2 Identification Standard Substance

With Certificate Lead Water Quality Standard Substance

Potassium Ferrocyanide in Water with Certificate Standard Solution Cas:14459-95-1 1000Μg/Ml

Scientific Research Reagents with Certificate Nicotinamide Cas:98-92-0 Hplc≥99% Chromatographic Purity

Scientific Research Reagent with Certificate of Total Nutrients Nitrogen, Phosphorus and Potassium Quality Control Sample of Organic Fertilizer Ny/T525-202 Standard Substance

With Certificate 7 Kinds of Anion Mixed Standard Solution / Standard Sample

8 Kinds of Food Coloring in Water with Certificate Sunset Yellow Lemon Yellow Amaranth Red Carmine Red Bright Blue Red Fresh Standard Solution

Scientific Research Reagent with Certificate Glutathione (Reduced Form) Cas:70-18-8 Hplc≥98% Chromatographic Purity

With Certificate Scientific Research Reagents Pvc Medium Hexavalent Chromium Quality Control Standard Substances

With Certificate Standard Colorimetric Solution / Purple Red / Yy0167-2020

With Certificate Ozone Standard Solution(Iodine Titration Method)/Gb/T 5750-2006

With Certificate Total Esters in Liquor Quality Control Sample Scientific Research Reagent

Certified Scientific Research Reagent Oxidized Coenzyme I Cas:53-84-9 Hplc≥98% Chromatographic Purity

Scientific Research Reagent with Certificate Nitrogen Oxides in Water/1000Μg/Ml Standard Solution Based on N02

With Certificate Potassium Sorbate in Water Standard Solution Cas: 24634-61-5 1000Μg/Ml

Scientific Research Reagent Oleol Cas:143-28-2 80-85%