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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 Scientific Research Reagents 3 Kinds of Metal Quality Control in Rice Flour

With Certificate Scientific Research Reagent for Control Sample of Non-Volatile Acid in Vinegar

With Certificate Chlorate, Hypochlorite Mixed Standard Solution in Water

Scientific Research Reagents with Certificate of Authenticity Rutin Control Substance Cas:480-19-3 Hplc≥99% Chromatographic Purity

With Certificate Shiitake Mushroom Research Reagent Cas:292-46-6

With Certificate Scientific Research Reagent for Lead Quality Control Sample in Soy Sauce

With Certificate Vanillyl Acetic Acid Standards Scientific Research Reagents

With Certificate Biochemical Oxygen Demand Water Quality Standard Sample in Seawater

With Certificate Deoxycholic Acid Sodium 98%, Derived from Cattle Scientific Research Reagents

With Certificate Ozone Standard Sample (Iodine Method)/Gb/T5750.11-2006

With Certificate Fluoride Quality Control Sample in Water

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%

Scientific Research Reagents Cytochrome C Cas:9007-43-6 Br Horse Heart 95%

With Certificate Copper Standard Solution 0.2Μg/Ml 0.5Μg/Ml100Μg/Ml1000Μg/Ml

With Certificate Scientific Research Reagents Cysteine Cas:58-63-9 Hplc≥98% Chromatographic Purity