GB/T 28111-2011Test method of ester emulsifier for emulsion explosive (English PDF)
乳化炸药用酯类乳化剂试验方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 30, 2011
Implementation date
August 1, 2012
Scope
GB/T 28111-2011 is the English-translated version of 乳化炸药用酯类乳化剂试验方法.
GB/T 28111-2011 is the Chinese standard "Test method of ester emulsifier for emulsion explosive". Its scope clause reads: This standard specifies the use of emulsion explosives ester emulsifiers sample preparation and appearance, acid value, saponification value, hydroxyl value, moisture content, kinematic viscosity test method.
This standard applies to emulsion explosives with ester emulsifiers test. Its clauses include sample preparation; appearance test.
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Document preview — GB/T 28111-2011
National Standard of the People's Republic of China
- Classification
- A 80
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Sample Preparation
- 4 Appearance Test
1 Scope
This standard specifies the use of emulsion explosives ester emulsifiers sample preparation and appearance, acid value, saponification value, hydroxyl value, moisture content, kinematic viscosity test method.
This standard applies to emulsion explosives with ester emulsifiers test.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
Preparation of GB/T 601 chemical reagent standard titration solution
GB/T 1884 crude oil and liquid petroleum products - Laboratory determination of density (density meter method)
GB/T 3143 Determination of color liquid chemicals (Hazen unit --- platinum - cobalt color number)
GB/T 8170 repair value expressed about the rules and limit values and judgment
3 Sample Preparation
The sample (if necessary warm) with a stainless steel stirring rod, stir, to reap 500g, stir for testing.
4 Appearance Test
4.1 instruments and equipment
4.1.1 colorimetric tube
25mL.
4.1.2
constant temperature water bath.
4.1.3 glass rod
phi10mm.
4.2 Test Procedure
4.2.1
take emulsifier 20mL, into a colorimetric tube, placed in a water bath at 50 °C ± 5 °C in the warm 10min. Remove and wipe away the colorimetric tube water. Against the natural light visually observe and record observable phenomena.
4.2.2
The glass rod is inserted below the liquid level emulsifier 5cm, brought to the surface of the glass rod over 0.4m, so emulsifier flow freely. Visually
Observation of flow conditions, record observable phenomena.
4.3 Expression of results
Samples reported observations (whether uniform and transparent, without suspended particles and foreign matter, whether thin strip was uniform when the shed).
END: Draft Version (GB/T 28111-2011)
GB 30000.1-2024 | GB/T 28577-2021 | GB 30000.10-2013 | GB/T 21614-2026 | GB 47369-2026 | GB 19453-2026 |
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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