一、化学名:草酸钾
二、分子式:k2c2o4·h2o
三、分子量:184.24
四、cas:6487-48-5
五、性状:白色单斜晶体,易溶于水。相对密度2.127。
六、用途:用于制药和漂白草帽等,也可用作化学试剂、织物去垢剂和静脉血管样品的抗凝结剂等。
七、包装:内衬聚乙烯塑料袋,外套复合塑料编织袋包装,每袋净重25kg。
八、贮存与运输:本品应贮存在干燥通风清洁的库房中,装载运输时要轻装轻放,防止包装破损,防止受潮、受热,运输过程中防止雨淋受潮,应与有毒物品隔离。
质量指标 | specification | gb/t 695-94 | |
分析纯ar | 化学纯cp | ||
含量(k2c2o4·h2o),w/% ≥ | content (k2c2o4·h2o) ,w/% ≥ | 99.8 | 99.5 |
ph值(50g/l,25℃) | ph (50g/l,25℃) | 7.2-8.2 | 7.2-8.2 |
澄清度试验 | clarity test | 合格 | 合格 |
水不溶物,w/% ≤ | insoluble substances,w/% ≤ | 0.003 | 0.02 |
氯化物(以cl计),w/% ≤ | chlorides (as cl),w/% ≤ | 0.001 | 0.005 |
硫化合物(so42-),w/% ≤ | sulfates (so42-),w/% ≤ | 0.01 | 0.03 |
总氮量(n),w/% ≤ | nitrogen (n),w/% ≤ | 0.002 | 0.005 |
钠(na),w/% ≤ | sodium (na),w/% ≤ | 0.02 | 0.05 |
磷酸盐(po4),w/% ≤ | phosphate (po4) ,w/% ≤ | 0.001 | 0.005 |
铁(fe),w/% ≤ | iron (fe),w/% ≤ | 0.0005 | 0.001 |
重金属(以pb计),w/% ≤ | heavy metal (as pb),w/% ≤ | 0.0005 | 0.001 |
易碳化物质 ≤ | readily carbonizable substances ≤ | 合格 | 合格 |
1、chemical name: potassium oxalate
2、molecular formula : k2c2o4·h2o
3、molecular weight: 184.24
4、cas: 6487-48-5
5、characte : it is white monoclinic crystal. it’s easily soluble in water. the relative density is 2.127.
6、usage : it can be used in pharmacy, bleaching straw hats, etc. it can also be used as chemical reagent, fabric detergent and anticoagulant for venous blood vessel samples, etc.
7、packing : it is packed with a polyethylene bag as the inner layer, and a compound plastic woven bag as the outer layer. the net weight of each bag is 25kg.
8、storage and transport : it should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. furthermore, it must be stored separately from poisonous substances.