GB/T 7494-1987 Water quality–Determination of anionic surfactants–Methylene blue spectrophotometric method

Standard Number: GB/T 7494-1987
Chinese:水质 阴离子表面活性剂的测定 亚甲蓝分光光度法
English:Water quality–Determination of anionic surfactants–Methylene blue spectrophotometric method

Effective Date:1987-08-01
Regulatory Authority:Ministry of Ecology and Environment
Issuing Regulatory Authority:State Environmental Protection Bureau

Adheres to international standards:Y
PDF Downloadable:N

You can click the button below to purchase the PDF version, and we will send it to you via email.

Click below to buy the printed version. Shipped via FedEx within 7 days. Full refund if out of stock.

If you encounter the following issues, please click here to contact us, and we will do our best to assist you.
1. You cannot find the standard document you are looking for on our website.
2. You have found the standard document, but our page indicates that PDF download is not available.
3. You need to purchase our translated version.