Test category: ferrous iron content analysis
Test target: rock, soil powder samples
Test period: 10-20 work days
Requirements:
1.The sample powder amount should be about 5 grams for each sample, and the particle size should be ≥ 200 mesh. please self-check the samples one by one, and the standard is to twist the sample powder in the palm without obvious particle feeling.
2.The sample ID should be clear and the paper bag is well folded and sealed;
3.Please do not use stapler to seal;
4.Plastic bag packaging or spilled samples will be returned.
Procedures for sending samples to us for analysis: Guildlines.
Analytical methods:
Ferrous iron content analyzed by K₂Cr₂O₇ method