General Reference Standards-Product Catalog-Codow - Standard Substances & Chemical Reagent

Current 1 to 20 , Total 200 Items

c[(NH4)2HPO4)]=5%(wt)

Diammonium hydrogen phosphate solution

c[(NH4)2HPO4)]=5%(wt)

$22.00

This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.
c(EDTA-2Na)=15 g/L

Ethylenediaminetetraacetic acid disodium solution

c(EDTA-2Na)=15 g/L

$15.00

This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.
c(C6H6O2)=2%(wt)

Catechol solution

c(C6H6O2)=2%(wt)

$15.00

This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.
(NaCl)=0.8%(wt)

Physiological saline

(NaCl)=0.8%(wt)

$15.00

This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.
c(C6H12N4)=7 g/L

Hexamethylenetetramine Solution

c(C6H12N4)=7 g/L

$15.00

This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.
(Na2S2O3)=25%(wt)

Sodium thiosulfate standard solution

(Na2S2O3)=25%(wt)

$22.00

This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.
c(Na2S2O3)=0.1 mg/L

Sodium thiosulfate standard solution

c(Na2S2O3)=0.1 mg/L

$22.00

This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.
(Na2SO3)=3%(wt)

Sodium sulfite standard solution

(Na2SO3)=3%(wt)

$15.00

This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.
c[FeSO4(NH4)2SO4]=0.1 mol/L

Ammonium ferrous sulfate solution

c[FeSO4(NH4)2SO4]=0.1 mol/L

$22.00

This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.
c[(PO4)3-]=0.2 mg/mL

Phosphate standard solution for impurity determination

c[(PO4)3-]=0.2 mg/mL

$25.00

This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.
c[(C20H24N2O2)2·H2SO4]=0.1 μg/mL

Quinine sulfate standard solution

c[(C20H24N2O2)2·H2SO4]=0.1 μg/mL

$37.00

This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.
c(NaOH)=54 g/L,c(C4H4O6KNa)=50 g/L,c{K4[Fe(CN)6]}=4 g/L

Fehling's solution

c(NaOH)=54 g/L,c(C4H4O6KNa)=50 g/L,c{K4[Fe(CN)6]}=4 g/L

$27.00

This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.
c(NH4Cl)=60 g/L

Ammonium chloride standard solution

c(NH4Cl)=60 g/L

$15.00

This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.
(CaCl2)=0.1%(wt)

Calcium chloride standard solution

(CaCl2)=0.1%(wt)

$15.00

This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.
c(KI)=0.1 g/mL(含I2)

Potassium iodide solution

c(KI)=0.1 g/mL(含I2)

$37.00

This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.
(FeCl2)=30%(wt)

Ferrous Chloride Solution

(FeCl2)=30%(wt)

$75.00

This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.
饱和

Sucrose solution

饱和

$65.00

This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.
c(Si4+)=1600 μg/L

Silicon standard solution

c(Si4+)=1600 μg/L

$22.00

This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.
c(Si4+)=200 μg/L

Silicon standard solution

c(Si4+)=200 μg/L

$22.00

This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.
c(Si4+)=80 μg/L

Silicon standard solution

c(Si4+)=80 μg/L

$22.00

This product is produced according to relevant international or national standards and can be used for titration analysis, qualitative and quantitative analysis, etc. The product should be stored in a cool and ventilated place, sealed and kept, and should be used within the validity period as much as possible. To obtain the quality inspection report (COA) of this product, please log in to www.codow.com.cn to query and download.