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Standard titration solution, indicator solution, buffer solution
Comply with international standards, ISO 9001 quality system

More than 20,000 product specifications, 50,000+ scientific researchers, 8,000+ corporate users’ common trust.

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All products are produced and packaged in a clean environment
The production workshop is equipped with first-class ultrapure water and fresh air system

R&D and production systems comply with ISO 9001 quality system standards.

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Professional production and analysis equipment and instruments

Equipped with advanced production equipment and analytical instruments
Verified and calibrated by authoritative metrology institutions

More than 80 sets of production equipment, more than 30 sets of analytical instruments, and more than 2,000 square meters of analytical space.

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New Products

More than 200 products are updated every month

Lead nitrate standard solution c[Pb(NO3)2]=0.03 mol/L
Lead nitrate standard solution c[Pb(NO3)2]=0.03 mol/L
c[Pb(NO3)2]=0.03 mol/L 
New
Lead nitrate standard solution

$18.00

Silver nitrate standard titration solution c(AgNO3)=0.45 mol/L
Silver nitrate standard titration solution c(AgNO3)=0.45 mol/L
c(AgNO3)=0.45 mol/L 
New
Silver nitrate standard titration solution

$145.00

Nitric acid standard titration solution c(HNO3)=0.2 mol/L(优级纯)
Nitric acid standard titration solution c(HNO3)=0.2 mol/L(优级纯)
c(HNO3)=0.2 mol/L(优级纯) 
New
Nitric acid standard titration solution

$22.00

Standard titration solution of magnesium sulfate c(Mg2+)=0.01 mol/L
Standard titration solution of magnesium sulfate c(Mg2+)=0.01 mol/L
c(Mg2+)=0.01 mol/L 
New
Standard titration solution of magnesium sulfate

$22.00

Standard titration solution of ammonium sulphate c(NH4SCN)=0.05 mol/L
Standard titration solution of ammonium sulphate c(NH4SCN)=0.05 mol/L
c(NH4SCN)=0.05 mol/L 
New
Standard titration solution of ammonium sulphate

$15.00

Silver nitrate standard titration solution c(AgNO3)=0.0141 mol/L
Silver nitrate standard titration solution c(AgNO3)=0.0141 mol/L
c(AgNO3)=0.0141 mol/L 
New
Silver nitrate standard titration solution

$26.00

Ammonium ferrous sulfate standard solution c[(NH4)2Fe(SO4)2]=0.01 mol/L
Ammonium ferrous sulfate standard solution c[(NH4)2Fe(SO4)2]=0.01 mol/L
c[(NH4)2Fe(SO4)2]=0.01 mol/L 
New
Ammonium ferrous sulfate standard solution

$30.00

Sulfuric acid standard solution c(H2SO4)=0.18 mol/L
Sulfuric acid standard solution c(H2SO4)=0.18 mol/L
c(H2SO4)=0.18 mol/L 
New
Sulfuric acid standard solution

$15.00

Magnesium ion standard solution c(Mg2+)=0.1 mg/L
Magnesium ion standard solution c(Mg2+)=0.1 mg/L
c(Mg2+)=0.1 mg/L 
New
Magnesium ion standard solution

$22.00

Lithium ion standard solution c(Li+)=0.1 mg/L
Lithium ion standard solution c(Li+)=0.1 mg/L
c(Li+)=0.1 mg/L 
New
Lithium ion standard solution

$22.00

Sulfate standard solution c[(SO4)2-]=1 mg/mL, HPLC
Sulfate standard solution c[(SO4)2-]=1 mg/mL, HPLC
c[(SO4)2-]=1 mg/mL, HPLC 
New
Sulfate standard solution

$15.00

Phosphate standard solution c[(PO4)3-]=1 mg/mL,HPLC
Phosphate standard solution c[(PO4)3-]=1 mg/mL,HPLC
c[(PO4)3-]=1 mg/mL,HPLC 
New
Phosphate standard solution

$18.00

Nitrite standard reserve solution c(NO2-)=1 mg/mL, HPLC
Nitrite standard reserve solution c(NO2-)=1 mg/mL, HPLC
c(NO2-)=1 mg/mL, HPLC 
New
Nitrite standard reserve solution

$15.00

Chlorine ion standard solution c(Cl-)=1 ppm,HPLC
Chlorine ion standard solution c(Cl-)=1 ppm,HPLC
c(Cl-)=1 ppm,HPLC 
New
Chlorine ion standard solution

$15.00

Fluoride standard solution for impurity determination c(F-)=1 mg/mL,HPLC
Fluoride standard solution for impurity determination c(F-)=1 mg/mL,HPLC
c(F-)=1 mg/mL,HPLC 
New
Fluoride standard solution for impurity determination

$18.00

Fluoride standard solution for impurity determination c(F-)=1 mg/mL
Fluoride standard solution for impurity determination c(F-)=1 mg/mL
c(F-)=1 mg/mL 
New
Fluoride standard solution for impurity determination

$

PAN indicator solution c(C15H11N3O)=2 g/L
PAN indicator solution c(C15H11N3O)=2 g/L
c(C15H11N3O)=2 g/L 
New
PAN indicator solution

$0.00

Bromothymol Blue Indicator Solution (C27H28Br2O5S)=1%(wt)
Bromothymol Blue Indicator Solution (C27H28Br2O5S)=1%(wt)
(C27H28Br2O5S)=1%(wt) 
New
Bromothymol Blue Indicator Solution

$22.00

Methyl red-methylene blue mixed indicator solution 2 g/L,2:1
Methyl red-methylene blue mixed indicator solution 2 g/L,2:1
2 g/L,2:1 
New
Methyl red-methylene blue mixed indicator solution

$15.00

Methylene blue indicator solution c(C16H18N3ClS·3H2O)=0.02 g/L
Methylene blue indicator solution c(C16H18N3ClS·3H2O)=0.02 g/L
c(C16H18N3ClS·3H2O)=0.02 g/L 
New
Methylene blue indicator solution

$11.00

Bromothymol Blue Indicator Solution c(C27H28Br2O5S)=1 g/L
Bromothymol Blue Indicator Solution c(C27H28Br2O5S)=1 g/L
c(C27H28Br2O5S)=1 g/L 
New
Bromothymol Blue Indicator Solution

$15.00

Congo Red indicator fluid (C32H22N6Na2O6S2)=1%(wt)
Congo Red indicator fluid (C32H22N6Na2O6S2)=1%(wt)
(C32H22N6Na2O6S2)=1%(wt) 
New
Congo Red indicator fluid

$25.00

1,10-phenanthroline-ferrous indicator liquid c(C12H8N2·H2O)=100 μg/mL
1,10-phenanthroline-ferrous indicator liquid c(C12H8N2·H2O)=100 μg/mL
c(C12H8N2·H2O)=100 μg/mL 
New
1,10-phenanthroline-ferrous indicator liquid

$22.00

Sodium sulfosalicylate indicator 10 g/L
Sodium sulfosalicylate indicator 10 g/L
10 g/L 
New
Sodium sulfosalicylate indicator

$25.00

Disodium hydrogen phosphate - citric acid buffer 0.05 M,pH=5.0(25℃)
Disodium hydrogen phosphate - citric acid buffer 0.05 M,pH=5.0(25℃)
0.05 M,pH=5.0(25℃) 
New
Disodium hydrogen phosphate - citric acid buffer

$22.00

Borax buffer solution 80 g/L
Borax buffer solution 80 g/L
80 g/L 
New
Borax buffer solution

$30.00

Phosphate buffer solution B 0.025 M,pH=7.0(25℃),c(NaCl)=0.6 mol/L
Phosphate buffer solution B 0.025 M,pH=7.0(25℃),c(NaCl)=0.6 mol/L
0.025 M,pH=7.0(25℃),c(NaCl)=0.6 mol/L 
New
Phosphate buffer solution B

$35.00

Phosphate buffer solution A 0.02 M,pH=7.0(25℃),c(NaCl)=0.1 mol/L,c(EDTA)=0.001 mol/L
Phosphate buffer solution A 0.02 M,pH=7.0(25℃),c(NaCl)=0.1 mol/L,c(EDTA)=0.001 mol/L
0.02 M,pH=7.0(25℃),c(NaCl)=0.1 mol/L,c(EDTA)=0.001 mol/L 
New
Phosphate buffer solution A

$35.00

Acetic acid-sodium acetate buffer solution pH=4.3(25 ℃)
Acetic acid-sodium acetate buffer solution pH=4.3(25 ℃)
pH=4.3(25 ℃) 
New
Acetic acid-sodium acetate buffer solution

$22.00

EDTA- Copper solution
EDTA- Copper solution
 
New
EDTA- Copper solution

$30.00

Acetic acid-sodium acetate buffer solution pH=3.0(25 ℃)
Acetic acid-sodium acetate buffer solution pH=3.0(25 ℃)
pH=3.0(25 ℃) 
New
Acetic acid-sodium acetate buffer solution

$22.00

Phosphate buffer solution pH=7.75(25 ℃)(含乙二醇)
Phosphate buffer solution pH=7.75(25 ℃)(含乙二醇)
pH=7.75(25 ℃)(含乙二醇) 
New
Phosphate buffer solution

$45.00

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Hot Products

Quality verified by over 50,000 users, high quality and low price

Copper sulfate solution c(CuSO4)=20 g/L
Copper sulfate solution c(CuSO4)=20 g/L
c(CuSO4)=20 g/L 
Hot
Copper sulfate solution

$8.00

Silver nitrate standard titration solution c(AgNO3)=0.1 mol/L
Silver nitrate standard titration solution c(AgNO3)=0.1 mol/L
c(AgNO3)=0.1 mol/L 
Hot
Silver nitrate standard titration solution

$30.00

Sulfuric acid standard titration solution c(1/2H2SO4)=0.1 mol/L
Sulfuric acid standard titration solution c(1/2H2SO4)=0.1 mol/L
c(1/2H2SO4)=0.1 mol/L 
Hot
Sulfuric acid standard titration solution

$9.00

Sodium hydroxide standard titration solution c(NaOH)=0.1 mol/L
Sodium hydroxide standard titration solution c(NaOH)=0.1 mol/L
c(NaOH)=0.1 mol/L 
Hot
Sodium hydroxide standard titration solution

$7.00

Dimethyl yellow indicator solution 中国药典 1g/L
Dimethyl yellow indicator solution 中国药典 1g/L
中国药典 1g/L 
Hot
Dimethyl yellow indicator solution

$11.00

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