 Home > Chemicals Industry > Chemical Technology > Semi-volatile organic compounds analysis technology-leaching solution preparation sulfuric acid and nitric acid method

Semi-volatile organic compounds analysis technology-leaching solution preparation sulfuric acid and nitric acid method

 Last Update: 2022-03-12
 Source: Internet
 Author: User

Tags

herpes 1 2

moisture plant meter

Search more information of high quality chemicals, good prices and reliable suppliers, visit www.echemi.com

Take two samples, one for determination of moisture content, and the other for toxicity leaching experiment

Weigh 50～100g sample in a lidded container and dry it at 105℃.

Take an appropriate amount of a mixture of concentrated sulfuric acid and concentrated nitric acid with a mass ratio of 2:1 and add it to ultrapure water, measure the pH with a pH meter, and adjust the solution to make the pH 3.

Weigh 150～200g sample (the diameter of the sample should be less than 9.

Note: If the sample contains the initial liquid phase, it should be carried out first

The leachate is filtered by a high-pressure filter, and the filter membrane is made of disposable glass fiber membrane or microporous membrane (with a pore size of 0.

This article is an English version of an article which is originally in the Chinese language on echemi.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to service@echemi.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

Related Products

Wholesale Price a Contionic Cellulose Surfactant Polyquaternium-10/CAS No. 68610-92-4

CAS No.: 68610-92-4

Cosmetics Grade

$13-16/KG EXW

TDI80 for polyurethane flexible foam, Cas No.: 26471-62-5, QIchen

CAS No.: 26471-62-5

Industrial Grade

$1500-1900/MT FOB

C12-14 Fatty Alcohols Ethoxylated/AEO-7 CAS 68439-50-9

CAS No.: 68439-50-9

Industrial Grade

$100-120/MT FOB

Hot Tags

united states jobs(223)

jobs united states(236)

1 year treasury(277)

1 year subscription(296)

single use technology(195)

announcements today(81)

ups united states(221)

united states logo(227)

80 20 company(94)

healthy food name(42)

Hot Articles

The source of this page with content of products and services is from Internet, which doesn't represent ECHEMI's opinion. If you have any queries, please write to service@echemi.com. It will be replied within 5 days.

Moreover, if you find any instances of plagiarism from the page, please send email to service@echemi.com with relevant evidence.