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石墨炉原子吸收光谱法直接测定白酒中的铅

白酒中铅含量是食品卫生国家标准规定的重要指标,通常的测定方法为双硫腙萃取分光光度法、火焰原子吸收法、催化极谱法。这些方法都需要进行前处理、分离富集以及使用大量化学试剂,操作繁琐、费时费力。

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原子吸收分光光度计

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甲硝唑注射液中亚硝酸盐的测定

2020版《中国药典》中对于甲硝唑注射液中亚硝酸盐的含量测定使用离子色谱法,采用IonPac AS18,采用抑制电导法测定亚硝酸盐的含量。

亚麻籽油脂粉末的卡路里热量分析

近红外测定作为卡路里热量的检测方法,其优势就是能快速测量食物中的卡路里含量,而明确卡路里含量的高低将有助于消费者的选择。

通微消毒剂解决方案-CE-1000毛细管电泳系统检测季铵盐消毒剂中苄索氯铵

采用通微CE-1000毛细管电泳仪,可以实现季铵盐类消毒剂中苄索氯铵的检测,为季铵盐类消毒剂的质量控制助力。

粉底液,彩妆类产品的快速稳定性分析

粉底液(liquidfoundation)是当今很流行的一种粉底类化妆品,适合大多数肌肤。它是一种添加了粉料的乳液状化妆品,主要是利用粉质颜料与甘油和水的相容性好这一特点而制,其呈现形态主要为含有粉体的水包油(O/W)形或者油包水形(W/O)。本文利用LUM快速稳定性分析仪,协助用户在粉底液产品开发阶段,快速预判和筛选稳定性。

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LUM罗姆 稳定性分析仪 iSizer

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型号:iSizer

洗发水中去屑剂吡硫翁锌含量的检测(电位滴定法)

吡硫翁锌(Zinc pyrithione , ZPT),可用作防腐剂、防污剂、抗真菌药和去屑剂等,广泛用于农业、工业、医药卫生以及化妆品等领域。ZPT可抑制革兰氏阴性、阳性细菌以及霉菌生长,有较强的杀菌能力,能杀死产生头屑的真菌,作为去屑剂已有60多年的历史。《卫生部化妆品卫生规范》(2007年版)中规定洗发剂中含有的ZPT不得高于1.5%。

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雷磁 自动滴定仪

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ATAGO(爱拓)便携式工业胶水旋转粘度计 VISCO™,检测与控制流体食物的粘度

ATAGO(爱拓)旋转粘度计 VISCO™ ,检测与控制流体食物的粘度。精度可达±1%,分辨率在0.1%,重复性好,帮助控制润滑油在合适的粘度范围,让产品性能发挥良好,是产品研发、生产、品控不可或缺的检测工具。

药品包装用塑料瓶阻氧性能的监测方法

药品塑料包装容器的阻氧性能是一项重要的性能指标,对内部所包装的药品质量具有重要影响。本文以Labthink兰光OX2/230氧气透过率测试仪为检测设备,测试了药品包装用聚丙烯塑料瓶的氧气透过量,并对试验的过程、试验原理、设备参数等信息进行了描述,从而为企业在选用类似包材的阻氧性能检测方法或试验设备时提供参考。

检测饲用小米粉中淀粉含量- 自动旋光仪法

小米的营养价值很高,含丰富的蛋白质、脂肪和维生素,它不仅可以供食用,入药还有清热、清渴、滋阴、补脾肾和肠胃,利小便、治水泻等功效,又可酿酒;其谷糠也是猪、鸡的良好饲料。本文用自动旋光仪来测定饲用小米粉中的淀粉含量,操作简单,重复性好。

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