草酸                        

品牌：壹字牌

产地：山西

净重：25KG/包

产品特征：

本品为白色固体颗粒，对钢铁磷化前起表面调整作用。

技术指标及工艺控制参数：

The English version

Oxalic acid

Brand: one plate

Origin: shanxi

Net weight: 25 kg/bag

Product features:

This product is a white solid particles of iron phosphating surface adjustment role.

Technical indicators and the process control parameters:

project

Indicator parameters

Test methods

note

The appearance

White solid particles

visual

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Acid value

5 ~ 15 point

titration

0.1 mol/L sodium hydroxide standard solution titration (phenolphthalein indicator)

Build bath concentration

4 ~ 6%

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The processing time

1 ~ 2 min

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Processing temperature

At room temperature

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