渗透压度标准液,符合EP和USP―上海金山科研平台
溶液的渗透压,依赖于溶液中粒子的数量,是溶液的依数性之一,通常以渗透压摩尔浓度(Osmolality)来表示,它反映的是溶液中各种溶质对溶液渗透压贡献的总和。
通常采用测量溶液的冰点下降来间接测定其渗透压摩尔浓度。在理想的稀溶液中,冰点下降符合ΔTf=Kf•m的关系,式中,ΔTf为冰点下降值,Kf为冰点下降常数(当水为溶剂时为1.86),m为重量摩尔浓度。而渗透压符合Po=Ko•m的关系,式中,Po为渗透压,Ko为渗透压常数,m为溶液的重量摩尔浓度。由于两式中的浓度等同,故可以用冰点下降法测定溶液的渗透压摩尔浓度。
上海金山科研平台生物提供符合EP和USP药典渗透压度标准液。
产品特点:
提供ISO17025认可的分析证书;
可追溯至N.I.S.T。
产品信息:
货号 |
描述 |
中文名称 |
包装 |
SGGGO-RE-OSM-50 |
50mOsm/Kg H2O Osmolality Standard |
50mOsm/Kg H2O渗透压标准品 |
12 x 5ml |
SGGGO-RE-OSM-100 |
100mOsm/Kg H2O Osmolality Standard |
100mOsm/Kg H2O渗透压标准品 |
12 x 5ml |
SGGGO-RE-OSM-200 |
200mOsm/Kg H2O Osmolality Standard |
200mOsm/Kg H2O渗透压标准品 |
12 x 5ml |
SGGGO-RE-OSM-290 |
290mOsm/Kg H2O Osmolality Standard |
290mOsm/Kg H2O渗透压标准品 |
12 x 5ml |
SGGGO-RE-OSM-300 |
300mOsm/Kg H2O Osmolality Standard |
300mOsm/Kg H2O渗透压标准品 |
12 x 5ml |
SGGGO-RE-OSM-400 |
400mOsm/Kg H2O Osmolality Standard |
400mOsm/Kg H2O渗透压标准品 |
12 x 5ml |
SGGGO-RE-OSM-500 |
500mOsm/Kg H2O Osmolality Standard |
500mOsm/Kg H2O渗透压标准品 |
12 x 5ml |
SGGGO-RE-OSM-850 |
850mOsm/Kg H2O Osmolality Standard |
850mOsm/Kg H2O渗透压标准品 |
12 x 5ml |
SGGGO-RE-OSM-900 |
900mOsm/Kg H2O Osmolality Standard |
900mOsm/Kg H2O渗透压标准品 |
12 x 5ml |
SGGGO-RE-OSM-1000 |
1000mOsm/Kg H2O Osmolality Standard |
1000mOsm/Kg H2O渗透压标准品 |
12 x 5ml |
SGGGO-RE-OSM-1500 |
1500mOsm/Kg H2O Osmolality Standard |
1500mOsm/Kg H2O渗透压标准品 |
12 x 5ml |
SGGGO-RE-OSM-2000 |
2000mOsm/Kg H2O Osmolality Standard |
2000mOsm/Kg H2O渗透压标准品 |
12 x 5ml |
SGGGO-RE-OSM-3000 |
3000mOsm/Kg H2O Osmolality Standard |
3000mOsm/Kg H2O渗透压标准品 |
12 x 5ml |
SGGGO-RE-POSM-240 |
Protein Based 240mOsm/Kg H2O Osmolality Standard |
蛋白基240mOsm/Kg H2O渗透压标准品 |
12 x 5ml |
SGGGO-RE-POSM-280 |
Protein Based 280mOsm/Kg H2O Osmolality Standard |
蛋白基 280mOsm/Kg H2O渗透压标准品 |
12 x 5ml |
SGGGO-RE-POSM-320 |
Protein Based 320mOsm/Kg H2O Osmolality Standard |
蛋白基 320mOsm/Kg H2O渗透压标准品 |
12 x 5ml |
SGGGO-RE-ROSM-300 |
Urine Based 300mOsm/Kg H2O Osmolality Standard |
尿素基 300mOsm/Kg H2O渗透压标准品 |
12 x 5ml |
SGGGO-RE-ROSM-800 |
Urine Based 800mOsm/Kg H2O Osmolality Standard |
尿素基 800mOsm/Kg H2O渗透压标准品 |
12 x 5ml |
HTF250 |
Heat Transfer Fluid |
热载体 |
250ml |
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