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Vertical Separator Oil and Gas

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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Vertical Separator Oil and Gas
Total Organic Carbon (TOC) Analysis of Pharmaceutical ...
Total Organic Carbon (TOC) Analysis of Pharmaceutical ...

This method works well with TOC analysis, which can detect any ,API, or cleaning agent residue that contains carbon in its molecular structure. Jenkins et al. 2 found strong support for the use of TOC analysis in cleaning validation: ‘TOC has low-level detection, rapid analysis time, is low cost compared to other methods, and can detect all carbon based residuals’.

The role of dissolution in drug development ...
The role of dissolution in drug development ...

The initial focus when ,screening, potential media is to start with those which are aqueous based, within the pH range of 1.2-6.8 at the recommended ionic strength (as per USP/EP). When assessing APIs that display low solubilities in aqueous media throughout the pH range, incorporation of a surfactant is advisable, although the levels used should be as low as possible.

Automated Powder Dosing in the Life Science Laboratory ...
Automated Powder Dosing in the Life Science Laboratory ...

Ten milligrams of ,API, were dispensed automatically into nine 20-mL brown glass vials. Automation allowed 10 mg to be accurately dispensed with an ,RSD, of only 0.89%. Next, the solvent—a 80:20 acetonitrile:water mixture—was added gravimetrically based on the exact weight of the ,API, dispensed. The ,RSD, of the achieved concentration was 0.001%.

(PDF) LIQUID CHROMATOGRAPHY METHOD TO ANALYZE …
(PDF) LIQUID CHROMATOGRAPHY METHOD TO ANALYZE …

Test, solution: Transferred 2.0 mL of acetonitrile and 1.0 mL of derivatization reagent solution in to a 10 mL volumetric flask. 5.0 mL of filtered ,test, stock solution were added, and

Determination of Elemental Impurities – Challenges of a ...
Determination of Elemental Impurities – Challenges of a ...

CHALLENGES OF A ,SCREENING, METHOD Method must provide • Valid information about APIs, Excipients and Finished Products • Applicability for a broad variability of sample materials • Acceptance criteria from EP 5.20 / USP <233> • A validated basis 3 SGS LIFE SCIENCE SERVICES – CPHI/ICSE Madrid October 2015 • A validated basis Challenges • Interferences from different sample materials

Development and Validation of In Vitro Release Testing for ...
Development and Validation of In Vitro Release Testing for ...

A validated ,test, is one that has been proven to do what it purports or is represented to do.2 In general, a speciic statistical method is used to compare release results from different sets of validation runs. Such a method can be a simple standard deviation (SD) and relative standard deviation (,RSD,) comparison, or a Student’s t-,test,, among others.

Quality by Design (QbD) for Topical Dermatologic Products
Quality by Design (QbD) for Topical Dermatologic Products

RSD, is not more than 5% Needed for clinical effectiveness Physical Attributes ... ,Screening, DOE to Identify Critical Process Parameters •Following the initial risk assessment, a ,screening, design experiment is used to ... ,API, particle size) * ...

Determination of Elemental Impurities – Challenges of a ...
Determination of Elemental Impurities – Challenges of a ...

RSD, <= 25% Experiments of Repeatability on a different day, or with a different instrument or by different analyst. Minimum 1 of these 3 choices. ,RSD, <= 25% Quantification Limit (LOQ) - Demonstrating by meeting the Accuracy requirement Determine the lowest concentration meeting the Acceptance Criteria from Accuracy LOQ < Specification limit 13.

Case Study 3 PDA: A Global Applying QbD for a legacy ...
Case Study 3 PDA: A Global Applying QbD for a legacy ...

For ,screening,, summary might be sufficient. For design space establishment, more details are needed: * type of experimental design * tables summarizing inputs (including batch size), ranges and results achieved for each experiment * if applicable, scale independent factors should be discussed

Study on a noninvasive method for rapid screening Human ...
Study on a noninvasive method for rapid screening Human ...

although the relative standard deviation (,RSD,) value showed a little increasing trend at low HSA concentration level. In conclusion, the method was proved to be feasible and e±cient for ,screening, HSA injections, especially on its ,screening, speed and the consideration of glass containers.

Study on a noninvasive method for rapid screening Human ...
Study on a noninvasive method for rapid screening Human ...

ceutical ingredient (,API,) signals were strong enough for isolating and extracting data process. So it was a serious challenge to transplant that method to HSA injectable products.. In order to realize rapid ,screening, of HSA in-jectable products in a noninvasive way, we de-veloped a convenient and e®ective method for portable Raman spectrometer.

Development and Validation of In Vitro Release Testing for ...
Development and Validation of In Vitro Release Testing for ...

20/12/2019, · Such a method can be a simple standard deviation (SD) and relative standard deviation (,RSD,) comparison, or a Student’s t-,test,, among others. The criterion used in SUPAC-SS, which is a 90% confidence interval (Cl) for the ratio of median release rates, is applied. 2 The release results, i.e., results from the first 2 sets (12 cells, 2 runs of 6 cells) of validation runs are set as standard release rates 5 .

Analysis of elemental impurities in API
Analysis of elemental impurities in API

Method Validation Quantitative Procedures Precision (Repeatability) • ,Test, solution: Prepare sample: – Six independent sample preparations – Spike at target concentrations (J) for each target element – Spike prior to sample preparation • Acceptance criteria: ,RSD, NMT 20% for each Target element Precision (Ruggedness) • Perform Repeatability analysis over three independent events using the following …

Case Study 3 PDA: A Global Applying QbD for a legacy ...
Case Study 3 PDA: A Global Applying QbD for a legacy ...

For ,screening,, summary might be sufficient. For design space establishment, more details are needed: * type of experimental design * tables summarizing inputs (including batch size), ranges and results achieved for each experiment * if applicable, scale independent factors should be discussed

The VetDrugs Explorer Collection: screening and ...
The VetDrugs Explorer Collection: screening and ...

atmospheric pressure ionization (,API,) settings are shown in Table 3. For fast method implementation, details of the complete method including the LC and SRM settings are included in the VetDrugs Explorer Collection. Injection Volume 2 µL Column Temperature 40 °C Analytical Column Accucore VDX, 100 × 2.1 mm × 2.6 µm Run Time 17 minutes

The role of dissolution in drug development
The role of dissolution in drug development

The initial focus when ,screening, potential media is to start with those which are aqueous based, within the pH range of 1.2-6.8 at the recommended ionic strength (as per USP/EP). When assessing APIs that display low solubilities in aqueous media throughout the pH range, incorporation of a surfactant is advisable, although the levels used should be as low as possible.

Total APS Brochure1 - api.ning.com
Total APS Brochure1 - api.ning.com

screening, tests, and direct candidates through an application that produces a ranking score. Total-APS is a private job board that acts as a career site for your organization.As a job seeker moves through the structured ,screening, process, critical Rapid ,Screening, Data™(,RSD,) is produced and displayed on …

Rapid Screening of Amphetamine Drugs in Urine by Positive ...
Rapid Screening of Amphetamine Drugs in Urine by Positive ...

and high-throughput ,screening,. Only two product ions were used for this analysis because ,amphetamine, and methamphetamine only give two intense product ions (Figure 4, Table 2) while ephedrine, MDA, MDMA, and MDEA produce multiple intense product ions (Table 2). Run-to-run retention time is very reproducible with a <1.4% ,RSD,.

Further Validation of a Rapid Screening Semiquantitative ...
Further Validation of a Rapid Screening Semiquantitative ...

The concentration of a ,test, solution is estimated by taking note of the reference standard spot that begins to fade simultaneously with the spot of the ,test, solution and reference standard spot that fades completely after the spot of the ,test, solution. This gives the range in which the amount of the ,API, in the ,test, solution falls.

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