产品名称
氨溶液25%, for analysis EMSURE® ISO,Reag. Ph Eur
InChI
1S/H3N.H2O/h1H3;1H2
SMILES string
[NH4+].[OH-]
InChI key
VHUUQVKOLVNVRT-UHFFFAOYSA-N
agency
reag. ISO
reag. Ph. Eur.
vapor pressure
483 hPa ( 20 °C)
product line
EMSURE®
form
liquid
expl. lim.
27 %
Quality Level
concentration
25.0-30.0% (Acidimetric, NH3)
pH
(ca. 12 (68 °F / 20 °C))
bp
37.7 °C/1013 hPa
mp
-57.5 °C
solubility
water: soluble
density
0.9 g/mL at 25 °C (lit.)
storage temp.
2-30°C
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Application
- 作为pH调节剂用于确保有利的碱性条件。
- 准确测定人血清中的氯
Features and Benefits
- 全球最全面的规格
- 测试多达 70种参数
- 良好的纯度
- 非常低的极限值
- 更好的准确率和分析控制
- 针对关键和要求苛刻的分析优化
- 方法开发的理想选择
- 无未知杂质干扰或污染
General description
Packaging
请注意以下替换信息:
1054321000(1 L玻璃瓶)替换为1054321011(1 L HDPE瓶)
1054322500(2.5 L玻璃瓶)替换为1054322511(2.5 L HDPE瓶)
更多关于我们符合人体工程学且坚固耐用的HDPE瓶的信息,可在这里找到:www.SigmaAldrich.com/hdpe-bottle
Legal Information
signalword
Danger
hcodes
Hazard Classifications
Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1B - STOT SE 3
target_organs
Respiratory system
存储类别
8B - Non-combustible, corrosive hazardous materials
wgk
WGK 2
法规信息
商品
Thin-layer chromatography method for detecting organic impurities in valacyclovir, an antiviral medication, following USP monograph guidelines.
实验方案
Photometric determination with Cuprizon subsequent to acid mineralisation
The article describes the sample preparation and photometric determination of silver concentration in water samples using Spectroquant® photometers and test kits.
Quantify selenium in water using this photometric test and a clear, filtered sample to measure the results at 445 nm.
酸矿化后使用 Cuprizon 进行光度测定
相关内容
Our ergonomic 1 L HDPE bottle for acids, bases, and solvents provide an alternative to glass chemical bottles for lab safety in pouring & handling of hazardous chemicals in the laboratory.
Food and Beverage Campaign - Toxins
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