标准编号:	GB 20814-2014
中文名称:	染料产品中重金属元素的限量及测定
英文名称:	Limit and determination of the quantity of heavy-metal elements in dye products
中标分类:	G55    染料基础标准与通用方法
行业分类:	GB    国家标准
发布机构:	中华人民共和国国家质量监督检验检疫总局 中国国家标准化管理委员会
发布日期:	2014-07-24
实施日期:	2015-5-1
标准状态:	valid
替代旧标准:	GB 20814-2006 染料产品中10种重金属素的限量及测定
翻译语言:	英文
文件格式:	PDF

1 Scope This standard specifies the allowable contents (limits) and determination methods for 12 heavy-metal elements in the dye products. This standard is applicable to various commercial dyes. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 6682-2008 Water for analytical laboratory use - Specification and test methods GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgment of limiting values JJG 694 Verification regulation for atomic absorption spectrophotometers 3 Requirements The limit of heavy-metal elements in dye products shall meet those specified in Table 1. The limit of heavy-metal elements in liquid dyes and paint distemper shall be calculated based on their solid contents. 

Foreword i 1 Scope 2 Normative references 3 Requirements 4 Test methods 5 Test reports