您的位置: 首页 > 资讯动态

美国VHG标油总酸值标样

发布时间:2023-08-14 浏览数:271次
美国VHG标油总酸值标样是一种用于测量化学物质酸度的标准样品。它的酸值为3.0 mg KOH/g,使用的基质是烃类油。该标样符合ASTM-D664和D974标准。ASTM-D664是通过电位滴定法测量酸值,而ASTM-D974是通过颜色指示法测量酸值。这两个标准通常使用20克样品进行测试。这种标样广泛应用于变压器油等酸值在0.05 mg KOH/g至0.50 mg KOH/g之间的油品。另外,还有一个类似的标准ASTM-D3339,适用于较小样品的测试。 Acid Number (AN) Reference Standard是VHG Labs的酸值参考标准,包装规格为100克琥珀色玻璃瓶。它适用于根据ASTM D664/IP 177(通过电位滴定法)或ASTM D974(通过颜色指示法)测定石油产品中的酸值。

【参考资料】

Acid Number (AN) Standard: 3.0 mg KOH/g in Hydrocarbon Oil Synonyms: Potassium hydroxide Product Code VHG-AN-3-50G Product Format Single Solution Matrix Hydrocarbon Oil Product Categories In-service oil analysis, VHG ISO 17034 Pack Size: 50 g 22 in stock Need More? Estimated dispatch In stock and ready for immediate dispatch. To view pricing

The standard range of applications is for oils with an AN between 0.05 mg KOH/g and 0.50 mg KOH/g, which is applicable to the transformer oils. ASTM D3339 is also similar to ASTM D974, but is designed for use on smaller oil samples. ASTM D974 and D664 roughly use a 20 g sample; ASTM D3339 uses a 2.0 g sample, as shown in Table 2. Table 3.

UVISON.com VHG Labs Acid Number (AN) Reference Standard, 3.0 mg KOH/g, 400g Amber Glass Bottle - AN-3-400G - Acid Number (AN) Reference Materials Standard in Huydrocarbon Oil VHG Labs’ AN Reference materials are intended for use in the determination of Acid Number (AN) in petroleum products in accordance with ASTM D664/IP 177 (by potentiometric titration) or ASTM D974 (by color-indicator …

In chemistry, acid value (AV, acid number, neutralization number or acidity) is a number used to quantify the acidity of a given chemical substance. It is the quantity of base (usually potassium hydroxide (KOH)), expressed as milligrams of KOH required to neutralize the acidic constituents in 1 gram of a sample… The acid number is a measure of the number of carboxylic acid groups (-C(=O)OH …

Acid Number (AN) Standard: 3.0 mg KOH/g in Hydrocarbon Oil, 50g
部分文章转载自互联网络,如有违规侵权,请及时联系我们删除,谢谢!
010-82357127/8/9
QQ:63436952
yhy@yhyu.com