GB 1255-1990
工作基准试剂(容量) 无水碳酸钠
Working chemical--Sodium carbonate anhydrous
- 实施日期
- 1991-12-01
- ICS 分类
- 71.040.30
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
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GB 1255-1990
Working chemical--Sodium carbonate anhydrous
GB 12593-1990
Working chemical--Ethylenediaminetetraacetic acid disodium salt
GB 1260-1990
Working chemical--Zinc oxide
GB 1258-1990
Working chemical--Potassium iodate
GB 1254-1990
Working chemical--Sodium oxalate
GB 1256-1990
Working chemical--Arsenic trioxide
GB 12594-1990
Working chemical--Potassium bromate
GB 12595-1990
Working chemical--Silver nitrate
GB 12597-1990
Working chemical--Benzoic acid
GB 12596-1990
Working chemical--Calcium carbonate
GB/T 12519-1990
General specification of analytical instruments
GB/T 11415-1989
Laboratory sintered (fritted)filters--Porosity grading, classification and designation
GB 10738-1989
Working chemical--General rules for the weight titration
GB 1259-1989
Working chemical--Potassium dichromate
GB 1253-1989
Working chemical--Sodium chloride
GB 1257-1989
Working chemical--Potassium hydrogen phthalate
GB 10736-1989
Working chemical--Potassium chloride
GB 10735-1989
Primary chemical--Sodium carbonate,anhydrous
GB 10734-1989
Primary chemical--Ethylenediaminetetraacetic acid disodium salt
GB 10733-1989
Primary chemical--Sodium chloride