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The acid industrial wastewater contains a certain amount of water

Established in 2001, Puyang Zhong Yuan Restar Petroleum Equipment Co.,Ltd, “RSD” for short, is Henan’s high-tech enterprise with intellectual property advantages and independent legal person qualification. With registered capital of RMB 50 million, the Company has two subsidiaries-Henan Restar Separation Equipment Technology Co., Ltd We are mainly specialized in R&D, production and service of various intelligent separation and control systems in oil&gas drilling,engineering environmental protection and mining industries.We always take the lead in Chinese market shares of drilling fluid shale shaker for many years. Our products have been exported more than 20 countries and always extensively praised by customers. We are Class I network supplier of Sinopec,CNPC and CNOOC and registered supplier of ONGC, OIL India,KOC. High quality and international standard products make us gain many Large-scale drilling fluids recycling systems for Saudi Aramco and Gazprom projects.

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The acid industrial wastewater contains a certain amount of water
Determination of acidic pharmaceutical products and ...
Determination of acidic pharmaceutical products and ...

A gas chromatography–tandem mass spectrometry (,GC–MS,/MS) method has been developed for the determination of selected pharmaceutical residues (carbamazepine, salicylic ,acid,, clofibric ,acid,, ibuprofen, 2-hydroxy-ibuprofen, fenoprofen, naproxen, ketoprofen, diclofenac, and triclosan) in sewage influent and roughly primary-treated effluent. The method involved solid-phase extraction (SPE) with ...

Analysis of Semivolatile Organic Compounds with Agilent ...
Analysis of Semivolatile Organic Compounds with Agilent ...

wastewater, matrices contain many nonvolatile compounds, the selection of the liner is crucial to longer lifetime of the ,GC/MS, system and less downtime. The Agilent sintered frit liner offers extended lifetime of the ,GC/MS, system before performing inlet maintenance, as well as excellent reproducibility. ,Analysis, of Semivolatile Organic

GC/MS Analysis | Scientific.Net
GC/MS Analysis | Scientific.Net

The oxidation products were analyzed ,by GC/MS,. In total 111 products from the HL oxidation were detected, most of which were benzene polycarboxylic acids and short-chain alkanoic acids, while a predominant chlorinated compounds such as trichloromethane, dichloroacetic ,acid,, trichloroacetic ,acid, were also identified.

LC–MS-MS Method for Stimulants in Wastewater During ...
LC–MS-MS Method for Stimulants in Wastewater During ...

In 2011, Mathieu et al used LC–MS-MS and gas chromatography coupled with mass spectrometry (,GC–MS,) to study the uncertainties involved with ,analysis, of Coc and BE ,in wastewater, samples . Recently, efforts have turned toward monitoring changes in drug usage during special events.

Mechanism and toxicity evaluation of catalytic ozonation ...
Mechanism and toxicity evaluation of catalytic ozonation ...

The results of ,GC–MS analysis, of humic ,acid, substances in four samples of biochemical effluent ,wastewater, are summarized in Table S6–S9. Figure 8 shows the changes of relative peak area and ...

Water | Free Full-Text | Chemical Analysis of Wastewater ...
Water | Free Full-Text | Chemical Analysis of Wastewater ...

The ,GC-MS analysis, protocol was adapted from ... addition was performed for quantitation with 0, 100, and 200 ppb spiked concentrations. Blanks consisted of 2% nitric ,acid, in DI water treated in the same manner. The ... Organic compounds present in the ,wastewater, samples identified ,by GC-MS, and HPLC-HRMS are displayed in Table 4 and ...

LC–MS-MS Method for Stimulants in Wastewater During ...
LC–MS-MS Method for Stimulants in Wastewater During ...

In 2011, Mathieu et al used LC–MS-MS and gas chromatography coupled with mass spectrometry (,GC–MS,) to study the uncertainties involved with ,analysis, of Coc and BE ,in wastewater, samples . Recently, efforts have turned toward monitoring changes in drug usage during special events.

Chemical Analysis of Wastewater from Unconventional ...
Chemical Analysis of Wastewater from Unconventional ...

possible. Three wastewater samples, obtained from various sources, were analyzed for volatile and semi-volatile compounds with GC-MS, for metals with ICP-OES, for non-volatile organic compounds with high performance liquid chromatography–high resolution mass spectrometry (HPLC-HRMS), and high performance ion chromatography (IC).

Analysis of Semivolatile Organic Compounds with Agilent ...
Analysis of Semivolatile Organic Compounds with Agilent ...

wastewater, matrices contain many nonvolatile compounds, the selection of the liner is crucial to longer lifetime of the ,GC/MS, system and less downtime. The Agilent sintered frit liner offers extended lifetime of the ,GC/MS, system before performing inlet maintenance, as well as excellent reproducibility. ,Analysis, of Semivolatile Organic

Improving GC‐MS screening analysis by functional‐group ...
Improving GC‐MS screening analysis by functional‐group ...

Improving ,GC‐MS screening analysis by functional‐group‐related silica gel fractionation, of industrial ,wastewater, extracts

Water | Free Full-Text | Chemical Analysis of Wastewater ...
Water | Free Full-Text | Chemical Analysis of Wastewater ...

The ,GC-MS analysis, protocol was adapted from ... addition was performed for quantitation with 0, 100, and 200 ppb spiked concentrations. Blanks consisted of 2% nitric ,acid, in DI water treated in the same manner. The ... Organic compounds present in the ,wastewater, samples identified ,by GC-MS, and HPLC-HRMS are displayed in Table 4 and ...

Method 1658: The Determination of Phenoxy-Acid Herbicides ...
Method 1658: The Determination of Phenoxy-Acid Herbicides ...

The ,Determination of Phenoxy-Acid Herbicides in Municipal and Industrial Wastewater, 1. S COPE AND A PPLICATION 1.1 This method is designed to meet the survey requirements of the Environmental Protection Agency (EPA). It is used to determine (1) the phenoxy-,acid, herbicides and

GC/MS Determination of Pyrogallol and Gallic Acid in ...
GC/MS Determination of Pyrogallol and Gallic Acid in ...

Method detection limits for gallic ,acid, and pyrogallol were 0.5 ppm in urine and serum samples and 5 ppm in rumen contents. The diagnostic utility of the method was tested by analyzing samples from heifers dosed with blue oak leaves and commercial tannic ,acid,. Keywords: Pyrogallol; gallic ,acid,; gallotannins; ,GC/MS, determination *

Toxicity Appraisal of Untreated Dyeing Industry Wastewater ...
Toxicity Appraisal of Untreated Dyeing Industry Wastewater ...

In this study, screening of the fractionated wastewater through GC-MS showed the presence of phenols, phthalic acid derivatives and chlorpyrifos. Metal analysis revealed that chromium, arsenic and mercury were present in amounts higher than the wastewater discharge limits. Textile dyeing wastewater was found to be highly mutagenic in the Ames test.

GC/MS Analysis | Scientific.Net
GC/MS Analysis | Scientific.Net

The oxidation products were analyzed ,by GC/MS,. In total 111 products from the HL oxidation were detected, most of which were benzene polycarboxylic acids and short-chain alkanoic acids, while a predominant chlorinated compounds such as trichloromethane, dichloroacetic ,acid,, trichloroacetic ,acid, were also identified.

Current Practice in GC-MS Analysis of Organics in Water
Current Practice in GC-MS Analysis of Organics in Water

Extraction The first step in GC-MS analysis is extraction of the organic compounds from the bulk of the water. Commonly, a liter sample of water is extracted with two or three 50 to 100-ml portions of solvent. The combined extracts are dried and the solvent is evaporated to 1 ml or less for GC analysis.

Method 1658: The Determination of Phenoxy-Acid Herbicides ...
Method 1658: The Determination of Phenoxy-Acid Herbicides ...

The ,Determination of Phenoxy-Acid Herbicides in Municipal and Industrial Wastewater, 1. S COPE AND A PPLICATION 1.1 This method is designed to meet the survey requirements of the Environmental Protection Agency (EPA). It is used to determine (1) the phenoxy-,acid, herbicides and

Toxicity Appraisal of Untreated Dyeing Industry Wastewater ...
Toxicity Appraisal of Untreated Dyeing Industry Wastewater ...

In this study, screening of the fractionated wastewater through GC-MS showed the presence of phenols, phthalic acid derivatives and chlorpyrifos. Metal analysis revealed that chromium, arsenic and mercury were present in amounts higher than the wastewater discharge limits. Textile dyeing wastewater was found to be highly mutagenic in the Ames test.

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