ISO 5275:2003
Petroleum products and hydrocarbon solvents - Detection of thiols and other sulfur species — Doctor test
Petroleum products and hydrocarbon solvents - Detection of thiols and other sulfur species — Doctor test
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 8
- Дата публикации:
- 18 июня 2003 г.
- Издание:
- ISO IS 5275 edition 2 version 1
- ICS:
- 71.080.15
ISO 5275: 2003 specifies a procedure (Doctor test) for the detection of thiols (mercaptans), hydrogen sulfide and elemental sulfur in hydrocarbon solvents and distillate petroleum feedstocks and products.
Abstract
Overview
ISO 5275:2003 specifies the qualitative "Doctor test" procedure for the detection of and in and . The standard defines a go/no‑go (qualitative) method based on shaking a test portion with and observing colour changes or precipitate formation. It also describes preliminary checks for and contaminants that can invalidate or interfere with the test.
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