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NB/SH/T 0407-2013 English PDF (NBSHT0407-2013)

NB/SH/T 0407-2013 English PDF (NBSHT0407-2013)

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NB/SH/T 0407-2013: Standard test method for water soluble acids and alkalis of petroleum waxes
This standard specifies the test method for water soluble acids and alkalis of petroleum waxes. This Standard applies to paraffin wax and microcrystalline wax.
NB/SH/T 0407-2013
PETROCHEMICAL INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 75.140
E 42
Replacing SH/T 0407-1992
Standard test method for water soluble acids and alkalis of
petroleum waxes
ISSUED ON: JUNE 08, 2013
IMPLEMENTED ON: OCTOBER 01, 2013
Issued by: National Energy Administration
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Method summary ... 4
4 Reagents and materials ... 5
5 Instruments and equipment ... 5
6 Test steps ... 5
7 Expression of the test results ... 6
Foreword
This Standard was drafted in accordance with the rules given in GB/T 1.1-2009. This Standard replaces SH/T 0407-1992 "Standard test method for water soluble acids and alkalis of petroleum waxes". The main differences between this Standard and SH/T 0407-1992 are as follows:
-- Modify the chapter "Method summary" (see 3; 2 of the 1992 edition);
-- Add the chapter "Normative references" (see 2);
-- Change the test temperature to "heat paraffin wax to 75 °C or just melt to transparent", "heat microcrystalline wax to 10 °C above the drop melting point or just melt to transparent" (see 6.2; 5.2 of the 1992 edition).
This standard uses the redrafting method to modify and adopt the Japanese Industrial Standard JIS K 2252-1998 "Petroleum product reaction test method".
In order to suit the national conditions in China, this Standard makes modification to JIS K 2252-1998 when adopting it. The main differences between this Standard and JIS K 2252-1998 are as follows:
-- Adopt the corresponding national standards in China as the referenced standards of this Standard.
-- Add specifications such as "heat paraffin wax to 75 °C or just melt to transparent", "heat microcrystalline wax to 10 °C above the drop melting point or just melt to transparent”.
Please note that some of the contents of this document may involve patents. The issuing organization of this document is not responsible for identifying these patents. This Standard was put forward by Sinopec Group.
This Standard shall be under the jurisdiction of Subcommittee on Wax of National Technical Committee on Petroleum Products and Lubricants of Standardization Administration of China (SAC/TC 280/SC 3).
The drafting organizations of this Standard: SINOPEC Fushun Research Institute of Petroleum and Petrochemicals.
The drafters of this Standard: Kang Geping, Zhao Bin.
This Standard was first published in 1992, and this is the first revision. Standard test method for water soluble acids and alkalis of
petroleum waxes
WARNING: This Standard may address certain hazardous materials, equipment, and operations, but is not intended to advise on all safety issues
related thereto. Therefore, it is the user's responsibility to establish appropriate safety and protection measures and to establish the
applicability of relevant regulations before using this Standard.
1 Scope
This standard specifies the test method for water soluble acids and alkalis of petroleum waxes.
This Standard applies to paraffin wax and microcrystalline wax.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the dated edition applies to this document. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 603, Chemical Reagent - Preparations of Reagent Solution for Use in Test Methods (GB/T 603-2002, ISO 6353-1:1982, NEQ)
GB/T 2539, Petroleum waxes - Determination of melting point-cooling curve method (GB/T 2539-2008, ISO 3841:1997, IDT)
GB/T 6682, Water for analytical laboratory use - Specification and test methods (GB/T 6682-2008, ISO 3696:1987, MOD)
GB/T 8026, Standard Test Method for Drop Melting Point of Petroleum Wax, Including Petrolatum (GB/T 8026-1987, eqv ISO 6244:1982)
3 Method summary
Mix the sample with a certain amount of distilled water; heat paraffin wax to 75 °C or just melt to transparent; heat microcrystalline wax to 10 °C above the drop melting point or just melt to transparent; fully shake to dissolve the water soluble acids and
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