GB/T 7480-1987 in English

VALID

quality - Determination of nitrate - Spectrophotometric method with phenol disulfonic acid

Issued on:1987-03-06
Implemented on:1987-08-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $110.00
$107.00

Standard No:	GB/T 7480-1987
Document status:	VALID
Title in English:	quality - Determination of nitrate - Spectrophotometric method with phenol disulfonic acid
Title in Chinese:	水质硝酸盐氮的测定酚二磺酸分光光度法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	1987-03-06
Implemented on:	1987-08-01
ICS Classification:	13.060-Water quality
Chinese Classification:	Z16-Analysis methods for toxic substances in water
Professional Classification:	GB-National Standard
Related Keywords:	phenol disulfonic acid scopethis standard applies nitrate nitrogen spectrophotometric method nitrate clean surface water
Related Topics:	Nitrate nitrogen and nitrate gb7480-1987 gb7480 GB 7480-1987 GB/T 7480-1987 gb/t+7480-1987 gb t7480 1987 gb+7480-1987 Nitrate nitrogen Resorcinol Spectrophotometry Phenolic Spectrophotometry gb/t7480-1987 Sulfonic acid ionization degree Ionization degree of sulfonic acid Mass Spectrum of Nitric Acid Sulfonic acid Optical rotation of nitric acid Determination of water acidity Determination method of water quality nitrite Determination of nitrate in water quality by ultraviolet spectrophotometry Phenol disulphonic acid hydrochloric acid nitric acid microwave Sulfonate detection gb 7480 gb+t7480+1987 Determination of Nitrate Nitrogen gb+7480 Sulfonic acid ionization water quality nitrate nitrogen Nitrate Nitrogen Determination Method sulfonic acid sulfonate Water Quality Determination of Nitrate Nitrogen by Ultraviolet Spectrophotometry Sulfonic acid ionization Secondary sulfonate gb/t7480 gb/t903-1987 Seawater Nitrate Nitrogen Method Nitrate Nitrogen Test Regulations Water quality Nitrate nitrogen GB/t 7480 Determination of phenol Optical path Nitrate Nitrogen Determination Method The general amount of nitrate nitrogen in seawater GB/t+7480 Hydrofluoric acid spectrophotometry Lanthanum nitrate + fluorescence Determination of total phenol in water quality Detection of sulfonate of pyrene Spectral Grade Nitric Acid gb+t+7480 Determination of Water Quality Triethylamine Bromophenol Blue Spectrophotometry Photometric method for water quality testing Cerium Sulfate Spectrophotometry Total Nitrogen Spectrophotometer hydroquinone spectrophotometry in water photometric nitrate Spectroscopy of ferric hydrochloric acid Spectrophotometric Determination of Phenols Total Nitrogen Determination Method Hydrochloric Acid Determination of sulfosalicylic acid by ultraviolet spectrophotometry Nitrate nitrogen peak Water Spectrophotometer Absorbance Absorbance approx. Nitrate Nitrogen Spectrophotometry salt rotation water quality nitrate nitrogen Oleic Acid Luminosity spectrophotometric nucleic acid Nitrate Nitrogen Spectrophotometry Spectrophotometer to measure water Phenol in water by spectrophotometry Nitrate nitrogen detection method Nitrate nitrogen detection method Spectrophotometric nitrate nitrogen Nitrate Nitrogen Determination Nitrate nitrogen detection Determination of Nitrate Nitrogen Portable Spectrophotometric Method for Determination of Ammonia Nitrogen in Water Quality Nitrate nitrogen detection method Nitrate nitrogen detection spectrophotometric nitrate nitrogen Determination of Nitrate Nitrogen by Ultraviolet Spectrophotometry Determination of nitrate nitrogen by ultraviolet spectrophotometry Water Carbonate Determination Viscosity of nitric acid Determination method of nitrate in water quality Water quality analysis photometry Spectrophotometric determination of sulfo groups Water quality nitrate Water quality nitrate detection method Determination of Sulfur by UV Spectrophotometry Water quality nitrate detection method Nitrate nitrogen compounds Water quality nitrate Water quality analysis photometry Spectrophotometric method for the determination of total nitrogen Nitrate in water quality testing Water quality trace phosphate spectrophotometry Water quality testing for nitrates Nitrate Nitrogen in Water by UV Spectrophotometry Method for Determination of Nitrate Nitrogen in Water Test method for nitrate nitrogen Detection of Nitrate Nitrogen water nitrate nitrogen Resorcinol spectrophotometry Nitrate nitrogen detection method in water total nitrogen spectrophotometry Water quality spectrophotometer The sulfosalicylic acid spectrophotometric method is somewhat Spectrophotometric determination of total nitrogen using Nitrate Spectrophotometric Detection Nitrate nitrogen Phenol Reagent Spectrophotometry Total Nitrogen Determination Spectrophotometry Total Nitrogen Determination Spectrophotometry Aqueous Nickel Spectrophotometry Total Nitrogen Spectrophotometric Determination Sulfonic acid and phenol Sulfonic acid and bisphenol Nitric Acid Spectrophotometer Determination of water quality nitrate nitrogen Nitrate nitrogen Spectrophotometric method for determination of hydrogen peroxide Cadmium nitrate + spectrophotometry Nitrate, nitrate nitrogen - Determination method for nitrate nitrogen Photometric method for the determination of total nitrogen Spectrophotometric Polyphenols UV phenol disulfonic acid Determination of nitrate nitrogen in water quality Nitrate water quality Spectrophotometric Nitrate seawater nitrate nitrogen Determination of nitrate nitrogen in water Spectrophotometer total nitrogen Water quality Nitrate Nitrate and Nitrate Nitrogen Detection of Nitrate Nitrogen by Ultraviolet Spectrophotometry Spectrophotometric nitrate nitrogen Spectrophotometer Total Nitrogen Nitrobenzene Spectrophotometry Determination method of nitrate nitrogen Determination method of nitrate nitrogen spectrophotometric nitrate nitrogen Nitric acid 160 degrees hydrochloric acid temperature Photometric method for water quality detection Nitrate Nitrogen Molecular Chain "Determination of Nitrate Nitrogen in Water Quality by Ultraviolet Spectrophotometry" seawater nitrate nitrogen Water quality nitrate detection Phenol disulphonic acid spectrophotometry Nitrate nitrogen measurement method Nitrate nitrogen nitrate Spectrophotometric detection of total nitrogen Spectrophotometric Determination of Light Carbon Determination of water quality nitrate nitrogen Determination of salinity in water Water quality nitrate detection Spectrophotometric detection of nitrate nitrogen photometric nitrate nitrogen nitric acid nitrogen air phenol spectrophotometry Water Quality Determination of Nitrate Nitrogen by Ultraviolet Spectrophotometry Water Quality Total Nitrogen Spectrophotometry How to measure nitrate nitrogen Water quality spectrophotometer Phenolsulfonic acid Nitrate Nitrogen Analysis Spectrophotometric Determination of Total Nitrogen and Ammonium Nitrogen Phenol disulphonic acid spectrophotometry Spectrophotometric Nitrate spectrophotometer water quality Water Quality Determination of Nitrate Nitrogen by Ultraviolet Spectrophotometry Determination method of total nitrogen by spectrophotometry Phenolic Spectrophotometry total nitrogen spectrophotometry Phenols + spectrophotometry What method is used for the determination of nitrate nitrogen in water? Other nitrate nitrogen determination methods Nitrate Nitrogen Determination Determination of Nitrate Nitrogen in Water by Ultraviolet Spectrophotometry Nitrate Nitrogen Determination Spectral nitrate Nitrate + Nitrogen Determination of nitrate nitrogen Water Quality Sulfate Luminosity Water Quality Total Nitrogen Spectrophotometry Determination of Nitrate Nitrogen in Water Quality by Ultraviolet Spectrophotometry Determination of Nitrate Nitrogen in Water by Ultraviolet Spectrophotometry Nitrate nitrogen measurement method Nitrate Nitrogen Analysis nitrate nitrogen Water quality Nitrate nitrogen Total nitrogen water quality spectrophotometry GBT7480 GB/T 7480-1987 Determination of Nitrate Content by Spectrophotometry Water quality Nitrate Determination of nitrate nitrogen in water using thymol spectrophotometry Water quality nitrate nitrogen detection Nitrate nitrogen standard curve in water Relative molecular mass of indium nitrate tetrahydrate Determination of nitrate nitrogen in water using ultraviolet absorption spectrometry Precautions for measuring phosphate by spectrophotometry Color developer for water nitrate nitrogen Nitrate nitrogen test method Sulfamic acid method Nitrate detection method for purified water Method for determining water injection volume using sulfosalicylic acid method What is the measurement method for phenol? Absorbance photometry Pharmacopoeia testing method for nitrite determination using spectrophotometry Nitrate nitrogen surface water discharge Nitrate nitrogen water quality Lake water nitrate nitrogen Spectrophotometric Trinitrogen Test Method Spectrophotometric nitrate nitrogen test method Water quality nitrate nitrogen standard curve Method for measuring nitrate nitrogen in water quality using ultraviolet photometry Manual determination method of nitrate in groundwater Spectrophotometric nitrophenols standard curve Phenol disulfonic acid spectrophotometry standard curve National standard determination of nitrophenol in sewage How to determine dibasic acid Water quality standard nitrate nitrogen Water quality testing standards nitrate nitrogen nitrate nitrogen Nitrate ion spectrophotometer determination method fresh water nitrogen phosphate Method for determination of related substances of azelastine hydrochloride Determination method of ammonia nitrogen in water Spectrophotometry Determination method of benzenesulfonic acid concentration Nitrate determination method Sulfamic acid Water quality total nitrogen detection spectrophotometry water salinity Hach water quality nitrate determination method Phosphate detection method spectrophotometry Methanesulfonic acid control limit establishment Spectrophotometric method for measuring total nitrogen What are the methods for measuring the moisture content of methanesulfonic acid? Determination of sulfate by spectrophotometry Seawater nitrate nitrogen standard curve Photometric detection method for nitrilotriacetic acid content Sulfonic acid group determination method Quality control method for determination of salinity in water Method for determination of salinity in water Nitrite nitrogen absorbance standard curve National standard determination method for nitrate nitrogen in water quality Water quality nitrate nitrogen determination Determination method of nitrate nitrogen hydrochloride sulfamic acid Water quality nitrate analysis Drinking water nitrate-nitrogen Determination method of total acidity of nitric acid Spectrophotometric Theanine Standard Curve How to measure the solubility of nitric acid Nitrogen detection method for sulfamic acid Phenol reagent spectrophotometric standard curve Nitrate nitrogen determination method Sulfamic acid Method for measuring nitrate nitrogen using salicylic acid Determination method of nitrate nitrogen in water quality Nitrobenzene spectrophotometry in water Monitoring Methods of Nitrate Nitrogen in Seawater Water quality-Determination method of nitrate nitrogen Determination of nitrogen in water quality Nitrate nitrogen test Water quality nitrate nitrogen determination method Determination of nitrogen in water quality

《GB/T 7480-1987水质硝酸盐氮的测定酚二磺酸分光光度法》由467（生态环境部）归口，主管部门为生态环境部。

Scope

This standard applies to the determination of nitrate nitrogen in drinking water, groundwater and clean surface water.

More samples: JJG 21-2008 YD/T 3934-2021 GB 50021-2001(2009)

Sample only — not a preview of GB/T 7480-1987

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