This standard specifies the technical requirements, test methods, inspection rules, packaging and marking of the chemical reagent tributyl phosphate. This standard applies to the inspection of the chemical reagent tributyl phosphate. GB/T 15354-1994 Chemical reagent tributyl phosphate GB/T15354-1994 Standard download decompression password: www.bzxz.net
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National Standard of the People's Republic of China Tributyl phosphate Chemical reagent Tributyl phosphate This reagent is a colorless liquid, slightly soluble in water, and can be mixed with a variety of organic solvents. Indicative formula: (CH,CH,CH,CH,O),PO Relative molecular mass: 266.32 (according to the 1991 international relative atomic mass) Subject content and scope of application GB/T 15354-94 This standard specifies the technical requirements, test methods, inspection rules, packaging and marking of the chemical reagent tributyl phosphate. This standard applies to the inspection of the chemical reagent tributyl phosphate. 2 Reference standards GB/T 601 GB/T603 GB/T 606 GB/T 611 GB/T 619 GB/T 6682 GB/T 9722 HG 3—119 3 Technical requirements Chemical reagents Chemical reagents Chemical reagents Chemical reagents Chemical reagents Chemical reagents Preparation of standard solutions for titration analysis (volumetric analysis) Preparation of preparations and products used in test methods General method for determination of water content (Karl Fischer method) General method for determination of density Sampling and acceptance rules Specifications and test methods for water used in analytical laboratories Chemical reagents Chemical reagents General rules for gas chromatography Packaging and marking 3. 1 Content of tributyl phosphate [(C,H,O),PO] (%): analytically pure chemically pure 3.2 Density (20℃, g/mL): 0.974~0.980. 3.3 Maximum impurity content: Acidity (as H+), mmol/100g Water (H,O), % Approved by the State Bureau of Technical Supervision on December 22, 1994 1152 Analytically pure ≥97.0. Chemical purity 1995-10-01 implementation 4 Test method GB/T 15354-94 The standard titration solutions, preparations and products in this test method, unless otherwise specified, are prepared in accordance with the provisions of GB/T601 and GB/T603. The experimental water should meet the third-grade water specifications in GB/T6682. 4. 1 The content of tributyl phosphate [(C,H,O),PO] was determined in accordance with the provisions of GB/T9722, where: 4.1.1 Test conditions Detector: flame ionization detector; Carrier gas and flow rate: nitrogen, 9 cm/s; Column length: 3 m; Stationary phase: 5% diphenylmethyltrisiloxane-50 (silicone oil 1) coated on 101 white silanized carrier E0.18~0.15 nm ( 80~~100 mesh)] or 5% DC-710 coated on 101 white silanized carrier [0.18~~0.15nm (80~100 mesh)]; column temperature: 165℃, vaporization chamber temperature: 300℃, detector temperature: 250℃; injection volume: 0.2μL, effective plate height of chromatographic column: Haf≤2.2mm; asymmetry factor: f-1.0±0.1. 4.1.2 Quantitative method determine according to the provisions of Article 8.2 of GB9722. 4.2 Density determination determine according to the provisions of Article 5.1 of GB/T611. 4.3 Impurity determination sample volume must be accurate to 0.1mL. 4.3.1 Aciditywww.bzxz.net 4.3.1.1. Preparation of neutral ethanol Measure 100mL ethanol (anhydrous ethanol), add 2 drops of phenolphthalein indicator solution (10g/L), and titrate with sodium hydroxide standard titration solution Lc(NaOH)=0.02mol/L until the solution turns pink, and keep it for 30s. Prepare before use. 4.3.1.2 Determination method Measure 10.3mL (10g) sample, dissolve it in 20ml. neutral ethanol, add 2 drops of phenolic acid indicator solution (10g/L), and titrate with sodium hydroxide standard titration solution Cc(NaOH)=0.02mol/L) until the solution turns pink, and keep it for 30s. The amount of standard titration solution shall not exceed: analytical pure chemical pure· 4.3.2 Water Measure 5.2mL (5g) sample, use 10mL methanol as solvent, and determine according to the provisions of GB/T606. 5 Inspection rules Sampling and acceptance shall be carried out according to the provisions of GB/T619. 6 Packaging and marking According to the provisions of HG 3-119, among which: Inner packaging form: Xz-3; Outer packaging form: W-1 Packing unit: Class 4. Additional instructions: GB/T15354-94 This standard is proposed by the Ministry of Chemical Industry of the People's Republic of China. This standard is under the jurisdiction of Beijing Chemical Reagent General Factory. This standard is drafted by Beijing Chemical Factory. The main drafter of this standard is Sun Yanlong. From the date of implementation of this standard, the former Chemical Industry Department Standard HG3-1304-80 "Tributyl Phosphate" will be invalid. Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.