Trung Son T.S.S.E Scientific Equipment & Tourist Joint Stock Company

Joint Stock Company

Trung Son T.S.S.E Scientific Equipment & Tourist Joint Stock Company is an Exclusive Distributor of SHIMADZU, a famous brand of analytical instruments, since 2000 in Viet Nam

Analysis of Residual Solvents in Pharmaceuticals by Water-Insoluble Samples Using N2 Carrier (JP17 Supplement II, USP 467)

Residual solvents in pharmaceuticals are classified from Class 1 to 3 based on their potential human health risk. Since these compounds are strictly controlled, highly sensitive analysis is required. Helium (He) is generally used as the carrier gas, but analysis using an alternative carrier gas such as N2 has also been in demand recently as He ...

Analysis of Residual Solvents in Pharmaceuticals by Water-Soluble Samples Using N2 Carrier (JP17 Supplement II, USP 467)

Residual solvents in pharmaceuticals are classified from Class 1 to 3 based on their potential human health risk. Since these compounds are strictly controlled, highly sensitive analysis is required. Helium (He) is generally used as the carrier gas, but as He supply shortages have become an issue recently, analysis using an alternative carrier gas ...

Analysis of Residual Solvents in Pharmaceuticals by Nexis GC-2030 + HS-20 (JP17 Supplement II, USP 467)

The United States Pharmacopeia (USP) General Chapters <467> Residual Solvents provide test methods for residual solvents in pharmaceuticals, and headspace gas chromatography (GC) is mainly used. Residual solvents in pharmaceuticals are classified from Class 1 to 3 based on their potential human health risk and are strictly controlled. The ...

ASTM D7807 – 20 Standard Test Method for Determination of Boiling Range Distribution of Hydrocarbon and Sulfur Components of Petroleum Distillates by Gas Chromatography and Chemiluminescence Detection

Replaces: ASTM D7807-12 This test method covers the determination of the boiling range distribution of petroleum products. The test method is applicable to petroleum products and fractions having a final boiling point of 538 °C (1000 °F) or lower at atmospheric pressure as measured by this test method. This test method is ...

Soil, Rock, Ore standard

TCVN 9920:2013: Determination of Au by MIBK extraction method (LOD): 0.1mg/kg TCVN 9921:2013: Determination of Au, Pt, Pd content atomic absorption spectrometry method (LOD): 0.01mg/kg TCVN 9922:2013: Determination of As Atomic absorption spectrometry method (LOD): 10 mg/kg TCVN 9926:2013: Determination of Cu, Pb, Zn, Cd, ...

DIN EN ISO 7526: 2020 Ferronickels - Determination of sulfur content - Infrared absorption method after induction furnace combustion

Replaces:DIN EN 27526 (1992-02)*DIN EN ISO 7526 (2019-09) This document specifies an infrared absorption method after combustion in an induction furnace for the determination of the sulfur content in ferronickels in the range of 0,002 % to 0,12 %. The method is applicable to normal production operations. It uses commercially available equipment, ...

ISO 127:2018 Rubber, natural latex concentrate - Determination of KOH number

This document specifies a method for the determination of the KOH number of natural rubber latex concentrate which is preserved wholly or in part with ammonia. The method is applicable to latices containing boric acid. The method is not applicable to latices preserved with potassium hydroxide. It is not necessarily suitable for latices from ...

ASTM D4785 – 20: Standard Test Method for Low-Level Analysis of IodineRadioisotopes in Water

Pages: 9 Replaces: ASTM D4785- 08(2013)e1 This test method was developed for measuring low levels of radioactive iodine in water. The results of the test may be used to determine if the concentration of several radioisotopes of iodine in the sample exceeds the regulatory limits for drinking water. With suitable counting techniques, sample size, ...

ASTM D6300 – 20: Standard Practice for Determination of Precision and Bias Data for Use in Test Methods for Petroleum Products, Liquid Fuels, and Lubricants

Pages: 42 Replaces: ASTM D6300-19a ASTM test methods are frequently intended for use in the manufacture, selling, and buying of materials in accordance with specifications and therefore should provide such precision that when the test is properly performed by a competent operator, the results will be found satisfactory for judging the compliance ...

WK73062: New Test Method for Condition Monitoring of Phenol Antioxidant Additives in In-Service Petroleum and Hydrocarbon-Based Lubricants by Trend Analysis Using Fourier Transform Infrared (FT-IR) Spectrometry

This test method covers monitoring phenol antioxidant additives in in-service petroleum and hydrocarbon-based lubricants such as various types of engine oils, hydraulic oils, and other lubricants that are formulated for protection against oxidation. Typical phenol antioxidant additives include sterically hindered, alkyl-substituted phenols such as ...