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 15551–15575 of 16835 results
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Total Hardness Of Water Quality (standard Sample) | 1.80mmol/L | 20mL | Water Quality Analysis Standard Material
Add to cartTotal hardness of water quality (standard sample) with concentration 1.80mmol/l, volume 20ml (cas: 497-19-8) ideal for chemical titration and analysis ensuring high precision and reliable results
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Total Hardness Of Water Quality (standard Sample) | 125ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartTotal hardness of water quality (standard sample) with concentration 125ug/ml, volume 20ml (cas: 471-34-1) ideal for chemical titration and analysis ensuring high precision and reliable results
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Total Hardness Of Water Quality (standard Sample) | 27.6ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartTotal hardness of water quality (standard sample) with concentration 27.6ug/ml, volume 20ml (cas: 471-34-1) ideal for chemical titration and analysis ensuring high precision and reliable results
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Total Hardness Of Water Quality (standard Sample) | 3.25mmol/L | 20mL | Water Quality Analysis Standard Material
Add to cartTotal hardness of water quality (standard sample) with concentration 3.25mmol/l, volume 20ml ideal for chemical titration and analysis ensuring high precision and reliable results
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Total Hardness Solution In Water | 1000ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartTotal hardness solution in water with concentration 1000ug/ml, volume 20ml (cas: 471-34-1) ideal for chemical titration and analysis ensuring high precision and reliable results
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Total Hardness Solution In Water | 10mmol/L | 20mL | Water Quality Analysis Standard Material
Add to cartTotal hardness solution in water with concentration 10mmol/l, volume 20ml ideal for chemical titration and analysis ensuring high precision and reliable results
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Total Hardness Solution In Water | 450ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartTotal hardness solution in water with concentration 450ug/ml, volume 20ml (cas: 471-34-1) ideal for chemical titration and analysis ensuring high precision and reliable results
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Total Hardness Test Kit | 6 components | 6 bottle/set | Environmental Monitoring Standard Material
Add to cartTotal hardness test kit with concentration 6 components, volume 6 bottle/set ideal for chemical titration and analysis ensuring high precision and reliable results
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Total Inorganic Carbon Solution | 1000mg/L | 50mL | Environmental Monitoring Standard Material
Add to cartTotal inorganic carbon solution with concentration 1000mg/l, volume 50ml (cas: 497-19-8) ideal for chemical titration and analysis ensuring high precision and reliable results
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Total Inorganic Carbon Solution In Water | 1000ug/mL | 100mL | Water Quality Analysis Standard Material
Add to cartTotal inorganic carbon solution in water with concentration 1000ug/ml, volume 100ml (cas: 497-19-8) ideal for chemical titration and analysis ensuring high precision and reliable results
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Total Inorganic Carbon Solution In Water | 400ug/mL | 500mL | Water Quality Analysis Standard Material
Add to cartTotal inorganic carbon solution in water with concentration 400ug/ml, volume 500ml (cas: 497-19-8) ideal for chemical titration and analysis ensuring high precision and reliable results
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Total Ion Concentration-adjusted Buffer Solution (TISAB) | TISAB | 500mL | Biochemical Assays Standard Material
Add to cartTotal ion with concentration tisab, volume 500ml suitable for laboratory analytical applications ensuring high precision and reliable results
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Total Ionic Strength Adjusted Buffer Solution TISAB (GB 7484-87) | 5.2 | 500mL | Biochemical Assays Standard Material
Add to cartTotal ionic strength adjusted buffer solution tisab (GB 7484-87) with concentration 5.2, volume 500ml suitable for laboratory analytical applications ensuring high precision and reliable results
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Total Ionic Strength Adjusted Buffer Solution TISAB (HJ 955-2018) | 3 components | 1000mL | Biochemical Assays Standard Material
Add to cartTotal ionic strength adjusted buffer solution tisab (HJ 955-2018) with concentration 3 components, volume 1000ml suitable for laboratory analytical applications ensuring high precision and reliabl…
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Total Ionic Strength Adjustment Buffer (GB/T 7484-1987) | 3 components | 500mL | Biochemical Assays Standard Material
Add to cartTotal ionic strength adjustment buffer (gb/t 7484-1987) with concentration 3 components, volume 500ml suitable for laboratory analytical applications ensuring high precision and reliable results
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Total Ionic Strength Adjustment Buffer Of Fluoride TISAB(GB 19965-2005) | 3 components | 500mL | Biochemical Assays Standard Material
Add to cartTotal ionic strength adjustment buffer of fluoride tisab(gb 19965-2005) with concentration 3 components, volume 500ml suitable for laboratory analytical applications ensuring high precision and rel…
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Total Ionic Strength Adjustment Buffer Solution TISAB (GB 7484-87) | 2 components | 1L | Biochemical Assays Standard Material
Add to cartTotal ionic strength adjustment buffer solution tisab (GB 7484-87) with concentration 2 components, volume 1l suitable for laboratory analytical applications ensuring high precision and reliable r…
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Total Ionic Strength Adjustment Buffer TISAB (GB 7484-1987) | 3 components | 500mL | Biochemical Assays Standard Material
Add to cartTotal ionic strength adjustment buffer tisab (GB 7484-1987) with concentration 3 components, volume 500ml suitable for laboratory analytical applications ensuring high precision and reliable results
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Total Ionic Strength Buffer Solution (TISAB) | TISAB | 500mL | Biochemical Assays Standard Material
Add to cartTotal ionic strength buffer solution (tisab) with concentration tisab, volume 500ml suitable for laboratory analytical applications ensuring high precision and reliable results
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Total Nitrogen In Seawater (standard Sample) | 0.32mg/L | 20mL | Water Quality Analysis Standard Material
Add to cartTotal nitrogen in seawater (standard sample) with concentration 0.32mg/l, volume 20ml (cas: 7727-37-9) ideal for chemical titration and analysis ensuring high precision and reliable results
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Total Nitrogen In Water Quality (standard Sample) | 0.801ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartTotal nitrogen in water quality (standard sample) with concentration 0.801ug/ml, volume 20ml (cas: 7757-79-1) ideal for chemical titration and analysis ensuring high precision and reliable results
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Total Nitrogen In Water Quality (standard Sample) | 1.50ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartTotal nitrogen in water quality (standard sample) with concentration 1.50ug/ml, volume 20ml (cas: 7727-37-9) ideal for chemical titration and analysis ensuring high precision and reliable results
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Total Nitrogen In Water Quality (standard Sample) | 15.0ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartTotal nitrogen in water quality (standard sample) with concentration 15.0ug/ml, volume 20ml (cas: 7757-79-1) ideal for chemical titration and analysis ensuring high precision and reliable results
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Total Nitrogen In Water Quality (standard Sample) | 2.50ug/mL | 1000mL | Water Quality Analysis Standard Material
Add to cartTotal nitrogen in water quality (standard sample) with concentration 2.50ug/ml, volume 1000ml (cas: 7757-79-1) ideal for chemical titration and analysis ensuring high precision and reliable results
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Total Nitrogen In Water Quality (standard Sample) | 2.50ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartTotal nitrogen in water quality (standard sample) with concentration 2.50ug/ml, volume 20ml (cas: 7757-79-1) ideal for chemical titration and analysis ensuring high precision and reliable results
