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Methods for determination of sodium, magnesium and calcium i

Methods for determination of sodium, magnesium and calcium i

2017-03-03

This standard specifies the determination of sodium, magnesium and calcium in urban water supply by ion chromatography. The minimum test mass concentration is: sodium: 0.013MG / L; magnesium: 0.016MG / L; calcium: 0.025MG / L. Download Document ...

Determination of formaldehyde sodium bisulfite (hanging whit

Determination of formaldehyde sodium bisulfite (hanging whit

2017-03-03

This standard specifies the method for the determination of formaldehyde sodium bisulfite (hanging white) in the rice noodle by ion chromatography. This standard applies to the determination of the content of formaldehyde sodium bisulfite (hanging white) in the rice noodle (rice flour). The detection limit of this method is 0.05mg / L. Download Document ...

GBT 11446.7-1997 Trace amounts of chloride, nitrate, phospha

GBT 11446.7-1997 Trace amounts of chloride, nitrate, phospha

2017-03-03

This standard specifies the electronic ion water chloride ion, nitrate ion, phosphate ion, sulfate ion ion chromatography test method. This standard is applicable to the determination of trace chloride, nitrate ion, phosphate ion and sulfate ion in electronic grade water. Download Document ...

Thermal power plant water vapor test method trace fluoride i

Thermal power plant water vapor test method trace fluoride i

2017-03-03

This paper specifies the determination of trace anions-fluoride ions (F-), acetate ions (CH3COO-), formate ions (HCOO-), chloride ions (Cl-), and sub-groups in the thermal power plant Nitrates (NO2-), nitrate ions (NO3-), acid ions (PO43-) and sulfate ions (SO43-). Download Document ...

Determination of industrial chromic anhydride - GB1610-2009

Determination of industrial chromic anhydride - GB1610-2009

2017-03-03

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Determination of toothpaste - GB8372-2008

Determination of toothpaste - GB8372-2008

2017-03-03

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Determination of fluorine, chlorine, phosphate and nitrite i

Determination of fluorine, chlorine, phosphate and nitrite i

2017-03-03

This standard specifies the determination of fluoride, chlorine, phosphate, nitrite, nitrate and sulfate in industrial cooling water and boiler water. This standard applies to industrial circulating cooling water and boiler water samples in the fluorine content of 0.01 ~ 100mg / L Download Document ...

Determination of fluorine, chlorine, nitrite, nitrate and su

Determination of fluorine, chlorine, nitrite, nitrate and su

2017-03-03

This standard specifies the determination of fluoride, chlorine, nitrite and sulfate in atmospheric precipitation. This standard is applicable to the determination of fluorine, chlorine, nitrite and sulfate in atmospheric precipitation. Download Document ...

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