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Dimethyl Phthalate (DMP) Surface Water

DMP Page 1 Dimethyl Phthalate (DMP) Surface Water Concentration as ug/L Single Data Location Date N Average SD Median Point Low High Quality Reference Comments USA Legend Buffalo River 82-86 4 USEPA 1991 Fort Erie 88-89 26 0 003 4 DIG 1990 Dissolved only Data changes or comments added in 2009 Fort Erie 89-90 47 0 002 4 DIG 1992 Dissolved only

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Oxidative Degradation of Dimethyl Phthalate (DMP) by

This study investigates the degradation of dimethyl phthalate (DMP) with hydrogen peroxide and ferrate (Fe(VI)) under various reaction conditions The results showed that the optimum conditions for dimethyl phthalate removal from water were as follows: (a) pH 7 0 and (b) the original molar ratio of [Fe(VI)]/[H2O2]/[DMP] equal to 10:2:1 Under the optimum conditions the degradation rate of DMP

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Biodegradation of Dimethyl Phthalate by Freshwater

The biodegradation characteristics of dimethyl phthalate (DMP) by three freshwater unicellular organisms were investigated in this study The findings revealed that all the organisms were capable of metabolizing DMP among them Cyanothece sp PCC7822 achieved the highest degradation efficiency Lower concentration of DMP supported the growth of the Cyanobacteria however with the increase of

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Sampling and Analytical Methods: Dimethyl Phthalate

Dimethyl phthalate (DMP) 5 2 Dibutyl Phthalate and Di(2-ethylhexyl) Phthalate - Method 5020 in: NIOSH Manual of Analytical Methods 3rd ed Cincinnati OH US Department of Health and Human Services National Institute for Occupational Safety and Health 1984

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Oxidative Degradation of Dimethyl Phthalate (DMP) by

31 05 2019Dimethyl phthalate (DMP) ester is a common short-chained ester which has been detected in many natural environments including marine waters water courses and sediments 2 DMP is relatively recalcitrant to biodegradation in the natural environment because of its benzene carboxylic group and its hydrolysis half-life of about 3 years 3 It has

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DIMETHYL PHTHALATE MATERIAL SAFETY DATA SHEET CAS No

SECTION 5: Firefighting measures 5 1 Extinguishing media Suitable extinguishing media Use water spray alcohol-resistantfoam dry chemical or carbon dioxide 5 2 Special hazards arising from the substance or mixture Carbon oxides 5 3 Advice for firefighters Wear self-contained breathing apparatus for firefighting if necessary 5 4 Further

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Dimethyl phthalate (DMP)

Search for free and find new suppliers for Dimethyl phthalate (DMP) | 131-11-3 - the directory of chemicals and chemical suppliers The search engine opens a large data base and offers new supply sources for suppliers Member's page List your products and company data for buyers

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Dmp Dimethyl Phthalate Dmp Dimethyl Phthalate

Alibaba offers 128 dmp dimethyl phthalate products About 57% of these are plastic auxiliary agents 53% are coating auxiliary agents and 21% are paper chemicals A wide variety of dmp dimethyl phthalate options are available to you such as coating auxiliary agents plastic auxiliary agents and leather auxiliary agents

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Diethyl phthalate

In the human intestinal preparation the diethyl phthalate hydrolase activity was 31 2-153 nmol/hour/mg in the duodenum and 129 nmol/hour/mg in the jejunum Similarly of the tissues from three rat and one human studied in vitro the rat small intestine hydrolyzed the greatest amount (36 4%) of diethyl phthalate in a 16-hour period

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Provisional Peer Reviewed Toxicity Values for Dimethyl

Dimethyl phthalate (DMP) is a phthalate ester used in the manufacture of a variety of products such as vinyl swimming pools and seats safety glass toothbrushes toys and clothing it is also used as an ingredient of numerous nonplasticized products (NTP 1995) DMP has the empirical formula C10H10O4 (Figure 1) Figure 1 Dimethyl Phthalate

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Oxidative degradation of dimethyl phthalate (DMP) by

The photochemical degradation of dimethyl phthalate (DMP) in UV/H 2 O 2 advanced oxidation process was studied and a kinetic model based on the elementary reactions involved was developed in this paper Relatively slow DMP degradation was observed during UV radiation while DMP was not oxidized by H 2 O 2 alone In contrast the combined UV/H 2 O 2 process could effectively degraded DMP

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Oalib search

Abstract: Two repellents includes Iranian and Merck dimethyl phthalate (DMP) were evaluated against Anopheles stephensi and Culex pipiens using American Society for Testing and Material (ASTM) standard ED 951-83 procedure a free choice method based on the variable dose-fixed time Also a modified of ASTM method we used for determination of effective dosages of the repellents

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Diethyl phthalate

In the human intestinal preparation the diethyl phthalate hydrolase activity was 31 2-153 nmol/hour/mg in the duodenum and 129 nmol/hour/mg in the jejunum Similarly of the tissues from three rat and one human studied in vitro the rat small intestine hydrolyzed the greatest amount (36 4%) of diethyl phthalate in a 16-hour period

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METHYL ETHYL KETONE PEROXIDE 3508

METHYL ETHYL KETONE PEROXIDE: METHOD 3508 Issue 2 dated 15 August 1994 - Page 4 of 5 After 4 hrs at 1 L/min airflow through impingers containing MEKP standards in DMP less than 10% of the MEKP carried over from the front to the backup bubbler The RSD of slopes of the calibration line determined from three levels approximately to 100 170 and

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Denitrifying degradation of dimethyl phthalate

Abstract Results of batch experiments on the denitrifying degradation of dimethyl phthalate (DMP) was most favorable at pH 7–9 and 30–35C DMP was first degraded to monomethyl phthalate (MMP) which was in turn degraded to phthalate before complete mineralization There was no fatty acid residue in the mixed liquor throughout the experiments

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Phthalate

Phthalate esters are the dialkyl or alkyl aryl esters of phthalic acid (also called 1 2-benzenedicarboxylic acid not be confused with the structurally isomeric terephthalic or isophthalic acids ) the name phthalate derives from phthalic acid which itself is derived from the word naphthalene

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Denitrifying degradation of dimethyl phthalate

Abstract Results of batch experiments on the denitrifying degradation of dimethyl phthalate (DMP) was most favorable at pH 7–9 and 30–35C DMP was first degraded to monomethyl phthalate (MMP) which was in turn degraded to phthalate before complete mineralization There was no fatty acid residue in the mixed liquor throughout the experiments

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Sampling and Analytical Methods: Dimethyl Phthalate

Dimethyl phthalate (DMP) 5 2 Dibutyl Phthalate and Di(2-ethylhexyl) Phthalate - Method 5020 in: NIOSH Manual of Analytical Methods 3rd ed Cincinnati OH US Department of Health and Human Services National Institute for Occupational Safety and Health 1984

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Oxidative Degradation of Dimethyl Phthalate (DMP) by the

Dimethyl phthalate (DMP) ester is a common short-chained ester which has been detected in many natural environments including marine waters water courses and sediments 2 DMP is relatively recalcitrant to biodegradation in the natural environ-ment because of

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Dimethyl phthalate

Furthermore dimethyl 4-hydroxyl phthalate maleic acid and oxalic acid were identified as the degradation intermediates Dimethyl phthalate (DMP) is widely used as a plasticizer in industrial processes and has been reported to possess potential toxicity to the human body

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METHYL ETHYL KETONE PEROXIDE 3508

METHYL ETHYL KETONE PEROXIDE: METHOD 3508 Issue 2 dated 15 August 1994 - Page 4 of 5 After 4 hrs at 1 L/min airflow through impingers containing MEKP standards in DMP less than 10% of the MEKP carried over from the front to the backup bubbler The RSD of slopes of the calibration line determined from three levels approximately to 100 170 and

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Dimethyl phthalate (DMP)

Dimethyl phthalate (DMP) | C10H10O4 REF CSP510002972316-24 - List of suppliers and supplier of CAS equal products About Who we are Imprint Contact Supplier Login Liste your products Your advantage Buyer Search Info C-S Chemicals dimethyl-phthalate-dmp-PX2071829

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Phthalates and diet: a review of the food monitoring and

02 06 2014Alternatively low-molecular weight phthalates dimethyl phthalate (DMP) diethyl phthalate (DEP) and dibutyl phthalate (DBP) are primarily added to cosmetics and personal care products as solvents fixatives and adhesives

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Phthalate

Phthalate esters are the dialkyl or alkyl aryl esters of phthalic acid (also called 1 2-benzenedicarboxylic acid not be confused with the structurally isomeric terephthalic or isophthalic acids ) the name phthalate derives from phthalic acid which itself is derived from the word naphthalene

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Biodegradation of Dimethyl Phthalate by Freshwater

The biodegradation characteristics of dimethyl phthalate (DMP) by three freshwater unicellular organisms were investigated in this study The findings revealed that all the organisms were capable of metabolizing DMP among them Cyanothece sp PCC7822 achieved the highest degradation efficiency Lower concentration of DMP supported the growth of the Cyanobacteria however with the increase of

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