Purospher^® STAR RP-18 endcapped (5 μm) LiChroCART^® 250-3

pH Test in cooling lubricants

Phosphate Test

磷酸盐测试

PLC Silica gel 60 F₂₅₄, 1 mm

Rectangular cells 50 mm

SeQuant^® ZIC^®-pHILIC 5μm polymer 50 x 4.6 mm

Sodium standard

Superspher^® 60 RP-8 endcapped LiChroCART^® 250-4

Water detection paste N

Sodium molybdate dihydrate

LiChrospher^® 100 RP-18 (5 μm) LiChroCART^® 250-3

Potassium carbonate/sodium carbonate

Magnesium Sulfate Anhydrous

Acid Capacity Cell Test to pH 4.3 (total alkalinity)

酸容量测试管，至pH 4.3（总碱度）

Glyoxalbis(2-hydroxyanil)