GB/T 2539-1981 in English

SUPERSEDED

Paraffins;Determination of melting point(cooling curve)

Issued on:1981-03-25
Implemented on:1981-07-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $180.00
$175.00

Standard No:	GB/T 2539-1981
Document status:	SUPERSEDED
Superseded by:	GB/T 2539-2008 Petroleum waxes - Determination of melting point-cooling curve method
Superseded on:	2008-09-01
Title in English:	Paraffins;Determination of melting point(cooling curve)
Title in Chinese:	石蜡溶点(冷却曲线)测定法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	1981-03-25
Implemented on:	1981-07-01
ICS Classification:	75.140-Waxes, bituminous materials and other petroleum products
Chinese Classification:	E42-Petroleum wax
Professional Classification:	GB-National Standard
Related Keywords:	paraffin wax microcrystalline wax wax products determination point
Related Topics:	paraffin Paraffin+ curve GB/T 2510-1981 song Paraffin Standard solution curve gb1981 Molybdenum working curve gb/t2689.3-1981 song+ Curve zero crossing curve zero curve zero GB/T 2689.3-1981 GB/T 2689.4-1981 curve dsc curve GB/T 2420-1981 GB/T 2556-1981 Zero detection curve change GB/T 2541-1981 zero curve French Aluminum Curve gb/t2420-1981 cooling curve curve in english Curve Zero Definition Solvent Curve curve measurement paraffin dsc peak Principle of curve method Curve + Quantitative Two-point method abnormal curve Paraffin paste melting point gb/t1981 graph zero Stability Curve single point curve method GB/T 1981 Curve+ Measuring principle of curve method one point normal curve paraffin film Paraffin Tissue Paraffin Rolls Melting point determination method air bath curve measurement GB T2539 GB/T2539 GBT2539 GBT1678-1981 GBT1694-1981 GBT1957-1981 GB/T 223.1-1981 GB/T 2420-1981 GB/T 2432-1981 GB/T 2509-1981 GB/T 2510-1981 GBT2531-1981 GB/T 2539-1981 GB/T 2539-2008 GBT2540-1981 GB/T 2541-1981 GB/T 2555-1981 GB/T 2556-1981 GB/T 2560-1981 GB/T 2561-1981 GB/T 2562-1981 GB/T 2563-1981 GB/T 2564-1981 GB/T 2590.10-1981 GB/T 2590.1-1981 GB/T 2590.2-1981 GB/T 2590.3-1981 GB/T 2590.4-1981 GB/T 2590.5-1981 GBT2590.6-1981 GBT2590.7-1981 GB/T 2590.8-1981 GB/T 2590.9-1981 GB/T 2592.10-1981 GB/T 2592.1-1981 GB/T 2592.2-1981 GB/T 2592.3-1981 GB/T 2592.4-1981 GB/T 2592.5-1981 GB/T 2592.6-1981 GBT2592.7-1981 GBT2592.8-1981 GBT2592.9-1981 GB/T 2596-1981 GB/T 2604-1981 GB/T 2625-1981 GB/T 2656-1981 GB/T 2681-1981 GB/T 2682-1981 GB/T 2683-1981 GB/T 2685-1981 GB/T 2686-1981 GB/T 2687-1981 GB/T 2689.1-1981 GB/T 2689.2-1981 GB/T 2689.3-1981 GB/T 2689.4-1981 GB/T 2789-1981 GB/T 2826-1981 GBT2830-1981 GB/T 2842-1981 GB/T 2843-1981 GB/T 2861.17-1981 GB/T 2861.18-1981 GB/T 2861.19-1981 GB/T 2861.20-1981 step cooling curve Dissolution curve peak Graphite CV curve five-point song CFX96 dissolution curve cv curve measurement GBT2689.4-1981 sy6300 wax melting device na2so4 solubility curve GB/T2656-1981 Dissolution profile method development Dissolution profile acceptance Several regulations for standard curve points Paraffin national standard Wax dissolving rate Determination in paraffin Determination of concentration points by standard curve method Fluorescence curve standard curve melting curve Working curve method is also called standard curve method Standard curve solute The dissolution curve is not determined by mass Dissolution curve method validation Six-point standard curve calibration method Standard curve method for determination of petroleum Dissolution curve method validation How to determine the standard curve of a solution gb/t2540-1981 gb/t 1957 1981 gbt2539 gb/t 2539-81 gb/t 2681-1981 gb/t 2843-1981 Dissolution Profile Method Robustness gb/t 1957-1981 gb/t2681-1981 Liquid Phase Dissolution Curve Determination Method

《GB/T 2539-1981石蜡溶点（冷却曲线）测定法》由513（中国石油化工集团公司）归口，主管部门为中国石油化工集团公司。

Scope

This method is suitable for the determination of the melting point of paraffin wax, but not for microcrystalline wax and oily paraffin wax products.

More samples: GB 18306-2015 JC/T 2453-2018 JGJ 94-2008

Sample only — not a preview of GB/T 2539-1981

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