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 11426–11450 of 16835 results
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Paraquat Solution In Methanol | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartParaquat solution in methanol with concentration 1000ug/ml, volume 1.2ml (cas: 1910-42-5) ideal for chemical titration and analysis ensuring high precision and reliable results
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Paraquat Solution In Methanol | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartParaquat solution in methanol with concentration 100ug/ml, volume 1.2ml (cas: 1910-42-5) ideal for chemical titration and analysis ensuring high precision and reliable results
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Pararosaniline Hydrochloride Solution (HJ 483-2009) | 0.16mg/mL | 50mL | Environmental Monitoring Standard Material
Add to cartPararosaniline hydrochloride solution (hj 483-2009) with concentration 0.16mg/ml, volume 50ml (cas: 569-61-9) ideal for chemical titration and analysis ensuring high precision and reliable results
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Pararosaniline Hydrochloride Solution | 0.05g/100mL | 20mL | Environmental Monitoring Standard Material
Add to cartPararosaniline hydrochloride solution with concentration 0.05g/100ml, volume 20ml (cas: 569-61-9) ideal for chemical titration and analysis ensuring high precision and reliable results
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Pararosaniline Hydrochloride Stock Solution | 0.2% | 100mL | Environmental Monitoring Standard Material
Add to cartPararosaniline hydrochloride stock solution with concentration 0.2%, volume 100ml (cas: 569-61-9) ideal for chemical titration and analysis ensuring high precision and reliable results
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Parathion In Acetone (standard Sample) | 38.6ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartParathion in acetone (standard sample) with concentration 38.6ug/ml, volume 1.2ml (cas: 56-38-2) ideal for chemical titration and analysis ensuring high precision and reliable results
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Parathion Solution In Acetone | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartParathion solution in acetone with concentration 1000ug/ml, volume 1.2ml (cas: 56-38-2) ideal for chemical titration and analysis ensuring high precision and reliable results
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Parathion Solution In Acetone | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartParathion solution in acetone with concentration 100ug/ml, volume 1.2ml (cas: 56-38-2) ideal for chemical titration and analysis ensuring high precision and reliable results
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Parathion Solution In Methanol | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartParathion solution in methanol with concentration 1000ug/ml, volume 1.2ml (cas: 56-38-2) ideal for chemical titration and analysis ensuring high precision and reliable results
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Parathion Solution In Methanol | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartParathion solution in methanol with concentration 100ug/ml, volume 1.2ml (cas: 56-38-2) ideal for chemical titration and analysis ensuring high precision and reliable results
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Parecoxib Standard | 98.30% | 10mg | Research & Development Standard Material
Add to cartParecoxib standard with concentration 98.30%, volume 10mg (cas: 198470-84-7) suitable for laboratory analytical applications ensuring high precision and reliable results
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Paromomycin Sulfate Standard | refer to certificate | 100mg | Environmental Monitoring Standard Material
Add to cartParomomycin sulfate standard with concentration refer to certificate, volume 100mg (cas: 1263-89-4) ideal for chemical titration and analysis ensuring high precision and reliable results
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Paroxetine Hydrochloride Standard | refer to certificate | 100mg | Environmental Monitoring Standard Material
Add to cartParoxetine hydrochloride standard with concentration refer to certificate, volume 100mg (cas: 110429-35-1) ideal for chemical titration and analysis ensuring high precision and reliable results
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Paroxetine Standard | 98.00% | 100mg | Research & Development Standard Material
Add to cartParoxetine standard with concentration 98.00%, volume 100mg (cas: 61869-08-7) suitable for laboratory analytical applications ensuring high precision and reliable results
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Particle Counter Quality Control Standard | 10um , 2000/mL±10% | 100mL | Research & Development Standard Material
Add to cartParticle counter quality control standard with concentration 10um , 2000/mL±10%, volume 100ml suitable for laboratory analytical applications ensuring high precision and reliable results
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Particle Counter Quality Control Standard | 15um , 2000/mL±10% | 100mL | Research & Development Standard Material
Add to cartParticle counter quality control standard with concentration 15um , 2000/mL±10%, volume 100ml suitable for laboratory analytical applications ensuring high precision and reliable results
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Particle Counter Quality Control Standard | 20um , 2000/mL±10% | 100mL | Research & Development Standard Material
Add to cartParticle counter quality control standard with concentration 20um , 2000/mL±10%, volume 100ml suitable for laboratory analytical applications ensuring high precision and reliable results
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Particle Counter Quality Control Standard | 25um , 2000/mL±10% | 100mL | Research & Development Standard Material
Add to cartParticle counter quality control standard with concentration 25um , 2000/mL±10%, volume 100ml suitable for laboratory analytical applications ensuring high precision and reliable results
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Particle Counter Quality Control Standard | 2um , 2000/mL±10% | 100mL | Research & Development Standard Material
Add to cartParticle counter quality control standard with concentration 2um , 2000/mL±10%, volume 100ml suitable for laboratory analytical applications ensuring high precision and reliable results
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Particle Counter Quality Control Standard | 30um , 2000/mL±10% | 100mL | Research & Development Standard Material
Add to cartParticle counter quality control standard with concentration 30um , 2000/mL±10%, volume 100ml suitable for laboratory analytical applications ensuring high precision and reliable results
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Particle Counter Quality Control Standard | 50um , 2000/mL±10% | 100mL | Research & Development Standard Material
Add to cartParticle counter quality control standard with concentration 50um , 2000/mL±10%, volume 100ml suitable for laboratory analytical applications ensuring high precision and reliable results
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Particle Counter Quality Control Standard | 5um , 2000/mL±10% | 100mL | Research & Development Standard Material
Add to cartParticle counter quality control standard with concentration 5um , 2000/mL±10%, volume 100ml suitable for laboratory analytical applications ensuring high precision and reliable results
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Particle Counter Quality Control Standard | 70um , 2000/mL±10% | 100mL | Research & Development Standard Material
Add to cartParticle counter quality control standard with concentration 70um , 2000/mL±10%, volume 100ml suitable for laboratory analytical applications ensuring high precision and reliable results
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Particle Counter Size Standard | 1.0um , 10^9 | 10mL | Environmental Monitoring Standard Material
Add to cartParticle counter size standard with concentration 1.0um , 10^9, volume 10ml ideal for chemical titration and analysis ensuring high precision and reliable results
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Particle Counter Size Standard | 100nm , 10^9 | 10mL | Environmental Monitoring Standard Material
Add to cartParticle counter size standard with concentration 100nm , 10^9, volume 10ml ideal for chemical titration and analysis ensuring high precision and reliable results

