We supply a full range of high-purity and certified standard substances for scientific research, industrial quality control and routine laboratory analysis. Our product portfolio includes elemental standards, buffer solutions, titration solutions, organic reference materials, VOCs standards, indicators and testing reagents. All standard substances are strictly calibrated, with traceable values, stable batch consistency and complete certification documents. Widely applied in pharmaceutical, food, environmental, water quality, soil, agricultural and biochemical testing fields. We provide reliable reference materials to ensure accurate, repeatable and compliant experimental results for global laboratories and manufacturers.
Standard substance
Showing 16226–16250 of 16835 results
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Vitamin K2 (menadione) Standard | refer to certificate | 10mg | Environmental Monitoring Standard Material
Add to cartVitamin k2 (menadione) standard with concentration refer to certificate, volume 10mg (cas: 523-39-7) ideal for chemical titration and analysis ensuring high precision and reliable results
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Vitamin K2 Standard | refer to certificate | 10mg | Environmental Monitoring Standard Material
Add to cartVitamin k2 standard with concentration refer to certificate, volume 10mg (cas: 11032-49-8) ideal for chemical titration and analysis ensuring high precision and reliable results
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Vitamin K3 Standard | refer to certificate | 10mg | Environmental Monitoring Standard Material
Add to cartVitamin k3 standard with concentration refer to certificate, volume 10mg (cas: 58-27-5) ideal for chemical titration and analysis ensuring high precision and reliable results
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Vitamin K4 (menadione Acetate) Standard | refer to certificate | 100mg | Environmental Monitoring Standard Material
Add to cartVitamin k4 (menadione acetate) standard with concentration refer to certificate, volume 100mg (cas: 573-20-6) ideal for chemical titration and analysis ensuring high precision and reliable results
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Vitamin Liquid | 10 components | 100mL | Environmental Monitoring Standard Material
Add to cartVitamin liquid with concentration 10 components, volume 100ml ideal for chemical titration and analysis ensuring high precision and reliable results
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Vitrease Standard | ≥400u/mg | 100mg | Environmental Monitoring Standard Material
Add to cartVitrease standard with concentration ≥400u/mg, volume 100mg (cas: 9001-54-1) ideal for chemical titration and analysis ensuring high precision and reliable results
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VOC Mixed Solution Of 9 Volatile Organic Compounds In Dichloromethane (JC1066-2008) | 1000ug/mL | 2mL | Environmental Monitoring Standard Material
Add to cartVoc mixed solution of 9 volatile organic compounds in dichloromethane (jc1066-2008) with concentration 1000ug/ml, volume 2ml ideal for chemical titration and analysis ensuring high precision and re…
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Volatile Phenol Detection Reagent (continuous Flow Method) | 5 components | 5 bottle/set | Biochemical Assays Standard Material
Add to cartVolatile phenol detection reagent (continuous flow method) with concentration 5 components, volume 5 bottle/set suitable for laboratory analytical applications ensuring high precision and reliable …
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Volatile Phenol Detection Reagent | 7 components | 7bottles/set | Biochemical Assays Standard Material
Add to cartVolatile phenol detection reagent with concentration 7 components, volume 7bottles/set suitable for laboratory analytical applications ensuring high precision and reliable results
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Volatile Phenol In Seawater (standard Sample) | 3.91ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartVolatile phenol in seawater (standard sample) with concentration 3.91ug/ml, volume 20ml (cas: 108-95-2) ideal for chemical titration and analysis ensuring high precision and reliable results
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Voriconazole Solution In Acetonitrile | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartVoriconazole solution in acetonitrile with concentration 1000ug/ml, volume 1.2ml (cas: 137234-62-9) ideal for chemical titration and analysis ensuring high precision and reliable results
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Voriconazole Standard | 99.1% | 100mg | Research & Development Standard Material
Add to cartVoriconazole standard with concentration 99.1%, volume 100mg (cas: 137234-62-9) suitable for laboratory analytical applications ensuring high precision and reliable results
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Warfarin (Siren) Standard | 99.4% | 10mg | Research & Development Standard Material
Add to cartWarfarin (siren) standard with concentration 99.4%, volume 10mg (cas: 81-81-2) suitable for laboratory analytical applications ensuring high precision and reliable results
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Water (perchlorate -18O4) Isotope Internal Standard (standard Sample) | 5ug/mL | 1.2mL | Water Quality Analysis Standard Material
Add to cartWater (perchlorate -18o4) isotope internal standard (standard sample) with concentration 5ug/ml, volume 1.2ml (cas: 871943-52-1) ideal for chemical titration and analysis ensuring high precision an…
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Water Chemical Oxygen Demand (CODCr)(standard Sample) | 106.0ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartWater chemical oxygen demand (cod cr )(standard sample) with concentration 106.0ug/ml, volume 20ml (cas: 877-24-7) ideal for chemical titration and analysis ensuring high precision and reliable res…
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Water Chemical Oxygen Demand (CODCr)(standard Sample) | 149.0ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartWater chemical oxygen demand (cod cr )(standard sample) with concentration 149.0ug/ml, volume 20ml (cas: 877-24-7) ideal for chemical titration and analysis ensuring high precision and reliable res…
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Water Chemical Oxygen Demand (CODCr)(standard Sample) | 222.0ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartWater chemical oxygen demand (cod cr )(standard sample) with concentration 222.0ug/ml, volume 20ml (cas: 877-24-7) ideal for chemical titration and analysis ensuring high precision and reliable res…
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Water Chemical Oxygen Demand (CODCr)(standard Sample) | 23.9ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartWater chemical oxygen demand (cod cr )(standard sample) with concentration 23.9ug/ml, volume 20ml ideal for chemical titration and analysis ensuring high precision and reliable results
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Water Chemical Oxygen Demand (CODCr)(standard Sample) | 255.0ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartWater chemical oxygen demand (cod cr )(standard sample) with concentration 255.0ug/ml, volume 20ml (cas: 877-24-7) ideal for chemical titration and analysis ensuring high precision and reliable res…
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Water Chemical Oxygen Demand (CODCr)(standard Sample) | 305.0ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartWater chemical oxygen demand (cod cr )(standard sample) with concentration 305.0ug/ml, volume 20ml (cas: 877-24-7) ideal for chemical titration and analysis ensuring high precision and reliable res…
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Water Chemical Oxygen Demand (CODCr)(standard Sample) | 485.0ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartWater chemical oxygen demand (cod cr )(standard sample) with concentration 485.0ug/ml, volume 20ml (cas: 877-24-7) ideal for chemical titration and analysis ensuring high precision and reliable res…
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Water Chemical Oxygen Demand (CODCr)(standard Sample) | 90.2ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartWater chemical oxygen demand (cod cr )(standard sample) with concentration 90.2ug/ml, volume 20ml (cas: 877-24-7) ideal for chemical titration and analysis ensuring high precision and reliable results
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Water Conductivity (standard Sample) | 119uS/cm | 50mL | Environmental Monitoring Standard Material
Add to cartWater conductivity (standard sample) with concentration 119us/cm, volume 50ml (cas: 7447-40-7) suitable for laboratory analytical applications ensuring high precision and reliable results
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Water Conductivity (standard Sample) | 204us/cm | 30mL | Environmental Monitoring Standard Material
Add to cartWater conductivity (standard sample) with concentration 204us/cm, volume 30ml (cas: 7447-40-7) suitable for laboratory analytical applications ensuring high precision and reliable results
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Water Conductivity (standard Sample) | 52.6uS/cm | 30mL | Environmental Monitoring Standard Material
Add to cartWater conductivity (standard sample) with concentration 52.6us/cm, volume 30ml suitable for laboratory analytical applications ensuring high precision and reliable results
