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 13951–13975 of 16835 results
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Sodium Thiosulfate Titration Solution | 0.1008mol/L | 1L | Instrument Calibration Standard Material
Add to cartSodium thiosulfate titration solution with concentration 0.1008mol/l, volume 1l (cas: 7772-98-7) ideal for instrument calibration in analytical laboratories ensuring high precision and reliable res…
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Sodium Thiosulfate Titration Solution | 0.2004mol/L | 500mL | Instrument Calibration Standard Material
Add to cartSodium thiosulfate titration solution with concentration 0.2004mol/l, volume 500ml (cas: 7772-98-7) ideal for instrument calibration in analytical laboratories ensuring high precision and reliable …
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Sodium Thiosulfate Titration Solution | 0.2004mol/L | 50mL | Instrument Calibration Standard Material
Add to cartSodium thiosulfate titration solution with concentration 0.2004mol/l, volume 50ml (cas: 7772-98-7) ideal for instrument calibration in analytical laboratories ensuring high precision and reliable r…
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Sodium Thiosulfate Titration Solution | 0.4998mol/L | 500mL | Instrument Calibration Standard Material
Add to cartSodium thiosulfate titration solution with concentration 0.4998mol/l, volume 500ml (cas: 7772-98-7) ideal for instrument calibration in analytical laboratories ensuring high precision and reliable …
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Sodium Thiosulfate Titration Solution | 0.5005mol/L | 50mL | Instrument Calibration Standard Material
Add to cartSodium thiosulfate titration solution with concentration 0.5005mol/l, volume 50ml (cas: 7772-98-7) ideal for instrument calibration in analytical laboratories ensuring high precision and reliable r…
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Sodium Thiosulfate Titration Solution | 1.005mol/L | 500mL | Instrument Calibration Standard Material
Add to cartSodium thiosulfate titration solution with concentration 1.005mol/l, volume 500ml (cas: 10102-17-7) ideal for instrument calibration in analytical laboratories ensuring high precision and reliable …
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Sodium Trichloroacetate Standard | 99.90% | 10mg | Research & Development Standard Material
Add to cartSodium trichloroacetate standard with concentration 99.90%, volume 10mg (cas: 650-51-1) suitable for laboratory analytical applications ensuring high precision and reliable results
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Sodium Tripolyphosphate Solution In Water | 1000ug/mL | 100mL | Water Quality Analysis Standard Material
Add to cartSodium tripolyphosphate solution in water with concentration 1000ug/ml, volume 100ml (cas: 7758-29-4) ideal for chemical titration and analysis ensuring high precision and reliable results
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Sodium Tripolyphosphate Standard | 99.0% | 500mg | Environmental Monitoring Standard Material
Add to cartSodium tripolyphosphate standard with concentration 99.0%, volume 500mg (cas: 7758-29-4) ideal for chemical titration and analysis ensuring high precision and reliable results
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Sodium Tungstate Indicator | 25g/L | 100mL | Biochemical Assays Standard Material
Add to cartSodium tungstate indicator with concentration 25g/l, volume 100ml (cas: 10213-10-2) suitable for laboratory analytical applications ensuring high precision and reliable results
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Sodium Tungstate Solution | 12% | 500mL | Research & Development Standard Material
Add to cartSodium tungstate solution with concentration 12%, volume 500ml (cas: 10213-10-2) suitable for laboratory analytical applications ensuring high precision and reliable results
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Sodium Valproate Standard | 98% | 10mg | Research & Development Standard Material
Add to cartSodium valproate standard with concentration 98%, volume 10mg (cas: 1069-66-5) suitable for laboratory analytical applications ensuring high precision and reliable results
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Sodium Valproate Standard | refer to certificate | 100mg | Environmental Monitoring Standard Material
Add to cartSodium valproate standard with concentration refer to certificate, volume 100mg (cas: 1069-66-5) ideal for chemical titration and analysis ensuring high precision and reliable results
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Soil Ammonium Auxiliary Agent (50g/L Gum Arabic Solution) | 50g/L | 10mL | Environmental Monitoring Standard Material
Add to cartSoil ammonium auxiliary agent (50g/l gum arabic solution) with concentration 50g/l, volume 10ml (cas: 9000-01-5) ideal for chemical titration and analysis ensuring high precision and reliable results
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Soil Ammonium Chromogenic Agent | 3 components | 10mL | Environmental Monitoring Standard Material
Add to cartSoil ammonium chromogenic agent with concentration 3 components, volume 10ml ideal for chemical titration and analysis ensuring high precision and reliable results
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Soil Ammonium Masking Agent (400g/L Potassium Sodium Tartrate Solution) | 400g/L | 10mL | Environmental Monitoring Standard Material
Add to cartSoil ammonium masking agent (400g/l potassium sodium tartrate solution) with concentration 400g/l, volume 10ml (cas: 304-59-6) ideal for chemical titration and analysis ensuring high precision and …
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Soil Ammonium Strong Agent {300g/L Sodium Oxychloride Solution) | 300g/L | 10mL | Environmental Monitoring Standard Material
Add to cartSoil ammonium strong agent {300g/l sodium oxychloride solution) with concentration 300g/l, volume 10ml (cas: 7681-52-9) ideal for chemical titration and analysis ensuring high precision and reliabl…
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Soil Available Phosphorus Developer (35g/L Ammonium Molybdate Solution) | 35g/L | 10mL | Environmental Monitoring Standard Material
Add to cartSoil available phosphorus developer (35g/l ammonium molybdate solution) with concentration 35g/l, volume 10ml (cas: 12054-85-2) ideal for chemical titration and analysis ensuring high precision and…
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Soil Available Phosphorus Masking Agent (10g/L Sodium Tartrate Solution) | 10g/L | 10mL | Environmental Monitoring Standard Material
Add to cartSoil available phosphorus masking agent (10g/l sodium tartrate solution) with concentration 10g/l, volume 10ml (cas: 868-18-8) ideal for chemical titration and analysis ensuring high precision and …
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Soil Available Potassium Masking Agent (5g/L Copper Sulfate +12g/L Tartaric Acid Solution) | 2 components | 10mL | Environmental Monitoring Standard Material
Add to cartSoil available potassium masking agent (5g/l copper sulfate +12g/l tartaric acid solution) with concentration 2 components, volume 10ml ideal for chemical titration and analysis ensuring high preci…
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Soil Available Potassium Masking Aid (75g/L Disodium EDTA Solution} | 75g/L | 10mL | Environmental Monitoring Standard Material
Add to cartSoil available potassium masking aid (75g/l disodium edta solution} with concentration 75g/l, volume 10ml (cas: 6381-92-6) ideal for chemical titration and analysis ensuring high precision and reli…
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Soil Available Potassium Turbidity Agent (62.5/L Sodium Tetraphenylboron Solution) | 62.5g/L | 10mL | Environmental Monitoring Standard Material
Add to cartSoil available potassium turbidity agent (62.5/l sodium tetraphenylboron solution) with concentration 62.5g/l, volume 10ml (cas: 143-66-8) suitable for laboratory analytical applications ensuring h…
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Soil Cation Exchange Capacity, Organic Matter Quality Control Samples | 2 components | 50g | Environmental Monitoring Standard Material
Add to cartSoil cation exchange capacity, organic matter quality control samples with concentration 2 components, volume 50g ideal for chemical titration and analysis ensuring high precision and reliable results

