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 7076–7100 of 16835 results
-
Forint Test Solution | / | 100mL | Biochemical Assays Standard Material
Add to cartForint test solution with concentration /, volume 100ml suitable for laboratory analytical applications ensuring high precision and reliable results
-
Forint-Dennis Test Solution | | 250mL | Biochemical Assays Standard Material
Add to cartForint-dennis test solution with concentration specification: 250ml, volume 250ml suitable for laboratory analytical applications ensuring high precision and reliable results
-
Formaldehyde 2,4-Dinitrophenylhydrazone Standard | 99.50% | 100mg | Research & Development Standard Material
Add to cartFormaldehyde 2,4-dinitrophenylhydrazone standard with concentration 99.50%, volume 100mg (cas: 1081-15-8) suitable for laboratory analytical applications ensuring high precision and reliable results
-
Formaldehyde 2,4-Dinitrophenylhydrazone Standard | 99.74% | 10mg/bottle | Research & Development Standard Material
Add to cartFormaldehyde 2,4-dinitrophenylhydrazone standard with concentration 99.74%, volume 10mg/bottle (cas: 1081-15-8) suitable for laboratory analytical applications ensuring high precision and reliable …
-
Formaldehyde Absorption Buffer Stock Solution | 20mg/mL(5.5%mL/mL) | 20mL | Biochemical Assays Standard Material
Add to cartFormaldehyde absorption buffer stock solution with concentration 20mg/ml(5.5%ml/ml), volume 20ml (cas: 50-00-0) suitable for laboratory analytical applications ensuring high precision and reliable …
-
Formaldehyde Buffer Absorption Solution For Sulfur Dioxide Detection In Ambient Air (HJ482-2009) | 200ug/mL | 500mL | Biochemical Assays Standard Material
Add to cartFormaldehyde buffer absorption solution for sulfur dioxide detection in ambient air (hj482-2009) with concentration 200ug/ml, volume 500ml suitable for laboratory analytical applications ensuring h…
-
Formaldehyde Solution In Water | 1000ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartFormaldehyde solution in water with concentration 1000ug/ml, volume 20ml (cas: 50-00-0) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Formaldehyde Solution In Water | 100ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartFormaldehyde solution in water with concentration 100ug/ml, volume 20ml (cas: 50-00-0) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Formaldehyde Solution In Water | 10mg/mL | 20mL | Water Quality Analysis Standard Material
Add to cartFormaldehyde solution in water with concentration 10mg/ml, volume 20ml (cas: 50-00-0) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Formaldehyde Solution In Water | 10mg/mL | 2mL | Water Quality Analysis Standard Material
Add to cartFormaldehyde solution in water with concentration 10mg/ml, volume 2ml (cas: 50-00-0) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Formaldehyde Solution In Water | 10ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartFormaldehyde solution in water with concentration 10ug/ml, volume 20ml (cas: 50-00-0) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Formaldehyde Solution In Water | 1500ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartFormaldehyde solution in water with concentration 1500ug/ml, volume 20ml (cas: 50-00-0) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Formaldehyde Solution In Water | 1ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartFormaldehyde solution in water with concentration 1ug/ml, volume 20ml (cas: 50-00-0) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Formaldehyde Solution In Water | 5ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartFormaldehyde solution in water with concentration 5ug/ml, volume 20ml (cas: 50-00-0) ideal for chemical titration and analysis ensuring high precision and reliable results
-
formaldehyde-DNPH (calculated As Aldehyde And Ketone) Solution In Acetonitrile | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartFormaldehyde-dnph (calculated as aldehyde and ketone) solution in acetonitrile with concentration 100ug/ml, volume 1.2ml (cas: 50-00-0) ideal for chemical titration and analysis ensuring high preci…
-
formaldehyde-DNPH (calculated As Aldehyde And Ketone) Solution In Acetonitrile | 10ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartFormaldehyde-dnph (calculated as aldehyde and ketone) solution in acetonitrile with concentration 10ug/ml, volume 1.2ml (cas: 50-00-0) ideal for chemical titration and analysis ensuring high precis…
-
formaldehyde-DNPH (calculated As Formaldehyde) Solution In Acetonitrile | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartFormaldehyde-dnph (calculated as formaldehyde) solution in acetonitrile with concentration 1000ug/ml, volume 1.2ml (cas: 1081-15-8) ideal for chemical titration and analysis ensuring high precision…
-
Formamide Standard | 99.90% | 100mg | Research & Development Standard Material
Add to cartFormamide standard with concentration 99.90%, volume 100mg (cas: 75-12-7) suitable for laboratory analytical applications ensuring high precision and reliable results
-
Formate Solution In Water | 1000ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartFormate solution in water with concentration 1000ug/ml, volume 20ml (cas: 141-53-7) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Formazine Turbidity Solution (Chinese Pharmacopoeia Visual Method) | 60NTU | 100mL | Environmental Monitoring Standard Material
Add to cartFormazine turbidity solution (chinese pharmacopoeia visual method) with concentration 60ntu, volume 100ml suitable for laboratory analytical applications ensuring high precision and reliable results
-
Formazine Turbidity Standard Stock Solution (in Accordance With Pharmacopoeia Standards) | 4000NTU | 50mL | Environmental Monitoring Standard Material
Add to cartFormazine turbidity standard stock solution (in accordance with pharmacopoeia standards) with concentration 4000ntu, volume 50ml suitable for laboratory analytical applications ensuring high precis…
-
Formic Acid (formic Acid) Standard | 99.9% | 5mL | Environmental Monitoring Standard Material
Add to cartFormic acid (formic acid) standard with concentration 99.9%, volume 5ml (cas: 64-18-6) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Formic Acid Solution In Water | 1000ug/mL | 2mL | Water Quality Analysis Standard Material
Add to cartFormic acid solution in water with concentration 1000ug/ml, volume 2ml (cas: 64-18-6) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Formic Acid Solution In Water | 100ug/mL | 2mL | Water Quality Analysis Standard Material
Add to cartFormic acid solution in water with concentration 100ug/ml, volume 2ml (cas: 64-18-6) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Formic Acid Solution In Water | 10mg/mL | 2mL | Water Quality Analysis Standard Material
Add to cartFormic acid solution in water with concentration 10mg/ml, volume 2ml (cas: 64-18-6) ideal for chemical titration and analysis ensuring high precision and reliable results

